Home / 127,723.05-176,263.25-71,134.43

Finding the Fourth Proportional to 127,723.05, 176,263.25 and 71,134.43

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Solution

The fourth proportional to 127,723.05, 176,263.25 and 71,134.43 is: 98,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.05 : 176,263.25 = 71,134.43 : x
  2. Step 2: Convert to fraction form
    127,723.05/176,263.25 = 71,134.43/x
  3. Step 3: Cross multiply
    127,723.05x = 176,263.25 × 71,134.43
  4. Step 4: Simplify right side
    127,723.05x = 12,538,384,581.71
  5. Step 5: Solve for x
    x = 12,538,384,581.71/127,723.05
  6. Step 6: Final answer
    x = 98,168.53

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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.