Home / 424,631.96-637,058.14-125,123.16

Finding the Fourth Proportional to 424,631.96, 637,058.14 and 125,123.16

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Solution

The fourth proportional to 424,631.96, 637,058.14 and 125,123.16 is: 187,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,631.96 : 637,058.14 = 125,123.16 : x
  2. Step 2: Convert to fraction form
    424,631.96/637,058.14 = 125,123.16/x
  3. Step 3: Cross multiply
    424,631.96x = 637,058.14 × 125,123.16
  4. Step 4: Simplify right side
    424,631.96x = 79,710,727,580.52
  5. Step 5: Solve for x
    x = 79,710,727,580.52/424,631.96
  6. Step 6: Final answer
    x = 187,717.21

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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.