Home / 119,279.64-164,614.50-71,532.12

Finding the Fourth Proportional to 119,279.64, 164,614.50 and 71,532.12

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Solution

The fourth proportional to 119,279.64, 164,614.50 and 71,532.12 is: 98,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,279.64 : 164,614.50 = 71,532.12 : x
  2. Step 2: Convert to fraction form
    119,279.64/164,614.50 = 71,532.12/x
  3. Step 3: Cross multiply
    119,279.64x = 164,614.50 × 71,532.12
  4. Step 4: Simplify right side
    119,279.64x = 11,775,224,167.74
  5. Step 5: Solve for x
    x = 11,775,224,167.74/119,279.64
  6. Step 6: Final answer
    x = 98,719.48

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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.