Home / 127,673.28-176,178.24-71,089.92

Finding the Fourth Proportional to 127,673.28, 176,178.24 and 71,089.92

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Solution

The fourth proportional to 127,673.28, 176,178.24 and 71,089.92 is: 98,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,673.28 : 176,178.24 = 71,089.92 : x
  2. Step 2: Convert to fraction form
    127,673.28/176,178.24 = 71,089.92/x
  3. Step 3: Cross multiply
    127,673.28x = 176,178.24 × 71,089.92
  4. Step 4: Simplify right side
    127,673.28x = 12,524,496,987.34
  5. Step 5: Solve for x
    x = 12,524,496,987.34/127,673.28
  6. Step 6: Final answer
    x = 98,098.03

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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.