Home / 124,179.13-171,162.24-87,833.62

Finding the Fourth Proportional to 124,179.13, 171,162.24 and 87,833.62

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Solution

The fourth proportional to 124,179.13, 171,162.24 and 87,833.62 is: 121,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,179.13 : 171,162.24 = 87,833.62 : x
  2. Step 2: Convert to fraction form
    124,179.13/171,162.24 = 87,833.62/x
  3. Step 3: Cross multiply
    124,179.13x = 171,162.24 × 87,833.62
  4. Step 4: Simplify right side
    124,179.13x = 15,033,799,146.51
  5. Step 5: Solve for x
    x = 15,033,799,146.51/124,179.13
  6. Step 6: Final answer
    x = 121,065.42

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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.