Home / 148,719.64-223,079.45-43,538.61

Finding the Fourth Proportional to 148,719.64, 223,079.45 and 43,538.61

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Solution

The fourth proportional to 148,719.64, 223,079.45 and 43,538.61 is: 65,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,719.64 : 223,079.45 = 43,538.61 : x
  2. Step 2: Convert to fraction form
    148,719.64/223,079.45 = 43,538.61/x
  3. Step 3: Cross multiply
    148,719.64x = 223,079.45 × 43,538.61
  4. Step 4: Simplify right side
    148,719.64x = 9,712,569,172.56
  5. Step 5: Solve for x
    x = 9,712,569,172.56/148,719.64
  6. Step 6: Final answer
    x = 65,307.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.