Home / 429,963.04-645,061.20-149,502.16

Finding the Fourth Proportional to 429,963.04, 645,061.20 and 149,502.16

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Solution

The fourth proportional to 429,963.04, 645,061.20 and 149,502.16 is: 224,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,963.04 : 645,061.20 = 149,502.16 : x
  2. Step 2: Convert to fraction form
    429,963.04/645,061.20 = 149,502.16/x
  3. Step 3: Cross multiply
    429,963.04x = 645,061.20 × 149,502.16
  4. Step 4: Simplify right side
    429,963.04x = 96,438,042,732.19
  5. Step 5: Solve for x
    x = 96,438,042,732.19/429,963.04
  6. Step 6: Final answer
    x = 224,293.80

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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.