Home / 190,521.83-285,222.17-127,184.87

Finding the Fourth Proportional to 190,521.83, 285,222.17 and 127,184.87

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Solution

The fourth proportional to 190,521.83, 285,222.17 and 127,184.87 is: 190,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,521.83 : 285,222.17 = 127,184.87 : x
  2. Step 2: Convert to fraction form
    190,521.83/285,222.17 = 127,184.87/x
  3. Step 3: Cross multiply
    190,521.83x = 285,222.17 × 127,184.87
  4. Step 4: Simplify right side
    190,521.83x = 36,275,942,550.53
  5. Step 5: Solve for x
    x = 36,275,942,550.53/190,521.83
  6. Step 6: Final answer
    x = 190,403.08

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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.