Home / 127,814.09-176,387.04-71,229.11

Finding the Fourth Proportional to 127,814.09, 176,387.04 and 71,229.11

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Solution

The fourth proportional to 127,814.09, 176,387.04 and 71,229.11 is: 98,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.09 : 176,387.04 = 71,229.11 : x
  2. Step 2: Convert to fraction form
    127,814.09/176,387.04 = 71,229.11/x
  3. Step 3: Cross multiply
    127,814.09x = 176,387.04 × 71,229.11
  4. Step 4: Simplify right side
    127,814.09x = 12,563,890,992.80
  5. Step 5: Solve for x
    x = 12,563,890,992.80/127,814.09
  6. Step 6: Final answer
    x = 98,298.17

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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.