Home / 127,837.50-176,416.68-73,375.20

Finding the Fourth Proportional to 127,837.50, 176,416.68 and 73,375.20

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Solution

The fourth proportional to 127,837.50, 176,416.68 and 73,375.20 is: 101,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,837.50 : 176,416.68 = 73,375.20 : x
  2. Step 2: Convert to fraction form
    127,837.50/176,416.68 = 73,375.20/x
  3. Step 3: Cross multiply
    127,837.50x = 176,416.68 × 73,375.20
  4. Step 4: Simplify right side
    127,837.50x = 12,944,609,178.34
  5. Step 5: Solve for x
    x = 12,944,609,178.34/127,837.50
  6. Step 6: Final answer
    x = 101,258.31

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1.5x scale

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.