Home / 127,867.50-176,457.15-71,282.52

Finding the Fourth Proportional to 127,867.50, 176,457.15 and 71,282.52

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Solution

The fourth proportional to 127,867.50, 176,457.15 and 71,282.52 is: 98,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,867.50 : 176,457.15 = 71,282.52 : x
  2. Step 2: Convert to fraction form
    127,867.50/176,457.15 = 71,282.52/x
  3. Step 3: Cross multiply
    127,867.50x = 176,457.15 × 71,282.52
  4. Step 4: Simplify right side
    127,867.50x = 12,578,310,324.02
  5. Step 5: Solve for x
    x = 12,578,310,324.02/127,867.50
  6. Step 6: Final answer
    x = 98,369.88

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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.