Home / 424,255.29-636,382.73-124,738.35

Finding the Fourth Proportional to 424,255.29, 636,382.73 and 124,738.35

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Solution

The fourth proportional to 424,255.29, 636,382.73 and 124,738.35 is: 187,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,255.29 : 636,382.73 = 124,738.35 : x
  2. Step 2: Convert to fraction form
    424,255.29/636,382.73 = 124,738.35/x
  3. Step 3: Cross multiply
    424,255.29x = 636,382.73 × 124,738.35
  4. Step 4: Simplify right side
    424,255.29x = 79,381,331,085.00
  5. Step 5: Solve for x
    x = 79,381,331,085.00/424,255.29
  6. Step 6: Final answer
    x = 187,107.46

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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.