Home / 134,883.60-186,140.91-74,454.29

Finding the Fourth Proportional to 134,883.60, 186,140.91 and 74,454.29

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Solution

The fourth proportional to 134,883.60, 186,140.91 and 74,454.29 is: 102,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,883.60 : 186,140.91 = 74,454.29 : x
  2. Step 2: Convert to fraction form
    134,883.60/186,140.91 = 74,454.29/x
  3. Step 3: Cross multiply
    134,883.60x = 186,140.91 × 74,454.29
  4. Step 4: Simplify right side
    134,883.60x = 13,858,989,294.00
  5. Step 5: Solve for x
    x = 13,858,989,294.00/134,883.60
  6. Step 6: Final answer
    x = 102,747.78

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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.