Home / 131,914.80-182,051.36-74,534.24

Finding the Fourth Proportional to 131,914.80, 182,051.36 and 74,534.24

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Solution

The fourth proportional to 131,914.80, 182,051.36 and 74,534.24 is: 102,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914.80 : 182,051.36 = 74,534.24 : x
  2. Step 2: Convert to fraction form
    131,914.80/182,051.36 = 74,534.24/x
  3. Step 3: Cross multiply
    131,914.80x = 182,051.36 × 74,534.24
  4. Step 4: Simplify right side
    131,914.80x = 13,569,059,758.57
  5. Step 5: Solve for x
    x = 13,569,059,758.57/131,914.80
  6. Step 6: Final answer
    x = 102,862.30

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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.