Home / 134,983.87-186,279.28-74,553.14

Finding the Fourth Proportional to 134,983.87, 186,279.28 and 74,553.14

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Solution

The fourth proportional to 134,983.87, 186,279.28 and 74,553.14 is: 102,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,983.87 : 186,279.28 = 74,553.14 : x
  2. Step 2: Convert to fraction form
    134,983.87/186,279.28 = 74,553.14/x
  3. Step 3: Cross multiply
    134,983.87x = 186,279.28 × 74,553.14
  4. Step 4: Simplify right side
    134,983.87x = 13,887,705,520.25
  5. Step 5: Solve for x
    x = 13,887,705,520.25/134,983.87
  6. Step 6: Final answer
    x = 102,884.19

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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.