Home / 190,026,184.80-285,039,277.20-117,006,191.40

Finding the Fourth Proportional to 190,026,184.80, 285,039,277.20 and 117,006,191.40

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Solution

The fourth proportional to 190,026,184.80, 285,039,277.20 and 117,006,191.40 is: 175,509,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,026,184.80 : 285,039,277.20 = 117,006,191.40 : x
  2. Step 2: Convert to fraction form
    190,026,184.80/285,039,277.20 = 117,006,191.40/x
  3. Step 3: Cross multiply
    190,026,184.80x = 285,039,277.20 × 117,006,191.40
  4. Step 4: Simplify right side
    190,026,184.80x = 33,351,360,224,580,856
  5. Step 5: Solve for x
    x = 33,351,360,224,580,856/190,026,184.80
  6. Step 6: Final answer
    x = 175,509,287.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.