Home / 119,250.45-164,557.65-65,534.31

Finding the Fourth Proportional to 119,250.45, 164,557.65 and 65,534.31

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Solution

The fourth proportional to 119,250.45, 164,557.65 and 65,534.31 is: 90,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,250.45 : 164,557.65 = 65,534.31 : x
  2. Step 2: Convert to fraction form
    119,250.45/164,557.65 = 65,534.31/x
  3. Step 3: Cross multiply
    119,250.45x = 164,557.65 × 65,534.31
  4. Step 4: Simplify right side
    119,250.45x = 10,784,172,047.97
  5. Step 5: Solve for x
    x = 10,784,172,047.97/119,250.45
  6. Step 6: Final answer
    x = 90,432.97

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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.