Home / 127,599.12-176,066.92-71,010.32

Finding the Fourth Proportional to 127,599.12, 176,066.92 and 71,010.32

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Solution

The fourth proportional to 127,599.12, 176,066.92 and 71,010.32 is: 97,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599.12 : 176,066.92 = 71,010.32 : x
  2. Step 2: Convert to fraction form
    127,599.12/176,066.92 = 71,010.32/x
  3. Step 3: Cross multiply
    127,599.12x = 176,066.92 × 71,010.32
  4. Step 4: Simplify right side
    127,599.12x = 12,502,568,330.61
  5. Step 5: Solve for x
    x = 12,502,568,330.61/127,599.12
  6. Step 6: Final answer
    x = 97,983.19

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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.