Home / 134,508.98-185,627.13-74,084.21

Finding the Fourth Proportional to 134,508.98, 185,627.13 and 74,084.21

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Solution

The fourth proportional to 134,508.98, 185,627.13 and 74,084.21 is: 102,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,508.98 : 185,627.13 = 74,084.21 : x
  2. Step 2: Convert to fraction form
    134,508.98/185,627.13 = 74,084.21/x
  3. Step 3: Cross multiply
    134,508.98x = 185,627.13 × 74,084.21
  4. Step 4: Simplify right side
    134,508.98x = 13,752,038,352.48
  5. Step 5: Solve for x
    x = 13,752,038,352.48/134,508.98
  6. Step 6: Final answer
    x = 102,238.82

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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.