Home / 190,069.20-262,293.84-105,184.08

Finding the Fourth Proportional to 190,069.20, 262,293.84 and 105,184.08

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Solution

The fourth proportional to 190,069.20, 262,293.84 and 105,184.08 is: 145,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,069.20 : 262,293.84 = 105,184.08 : x
  2. Step 2: Convert to fraction form
    190,069.20/262,293.84 = 105,184.08/x
  3. Step 3: Cross multiply
    190,069.20x = 262,293.84 × 105,184.08
  4. Step 4: Simplify right side
    190,069.20x = 27,589,136,250.07
  5. Step 5: Solve for x
    x = 27,589,136,250.07/190,069.20
  6. Step 6: Final answer
    x = 145,153.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.