Home / 127,773.20-176,327.20-71,186.56

Finding the Fourth Proportional to 127,773.20, 176,327.20 and 71,186.56

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Solution

The fourth proportional to 127,773.20, 176,327.20 and 71,186.56 is: 98,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,773.20 : 176,327.20 = 71,186.56 : x
  2. Step 2: Convert to fraction form
    127,773.20/176,327.20 = 71,186.56/x
  3. Step 3: Cross multiply
    127,773.20x = 176,327.20 × 71,186.56
  4. Step 4: Simplify right side
    127,773.20x = 12,552,126,802.43
  5. Step 5: Solve for x
    x = 12,552,126,802.43/127,773.20
  6. Step 6: Final answer
    x = 98,237.56

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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.