Home / 187,515.74-258,761.79-102,616.40

Finding the Fourth Proportional to 187,515.74, 258,761.79 and 102,616.40

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Solution

The fourth proportional to 187,515.74, 258,761.79 and 102,616.40 is: 141,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,515.74 : 258,761.79 = 102,616.40 : x
  2. Step 2: Convert to fraction form
    187,515.74/258,761.79 = 102,616.40/x
  3. Step 3: Cross multiply
    187,515.74x = 258,761.79 × 102,616.40
  4. Step 4: Simplify right side
    187,515.74x = 26,553,203,347.36
  5. Step 5: Solve for x
    x = 26,553,203,347.36/187,515.74
  6. Step 6: Final answer
    x = 141,605.20

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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.