Home / 127,847.97-176,436.23-71,259.75

Finding the Fourth Proportional to 127,847.97, 176,436.23 and 71,259.75

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Solution

The fourth proportional to 127,847.97, 176,436.23 and 71,259.75 is: 98,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.97 : 176,436.23 = 71,259.75 : x
  2. Step 2: Convert to fraction form
    127,847.97/176,436.23 = 71,259.75/x
  3. Step 3: Cross multiply
    127,847.97x = 176,436.23 × 71,259.75
  4. Step 4: Simplify right side
    127,847.97x = 12,572,801,284.44
  5. Step 5: Solve for x
    x = 12,572,801,284.44/127,847.97
  6. Step 6: Final answer
    x = 98,341.81

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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.