Home / 172,460.12-258,691.46-60,140.12

Finding the Fourth Proportional to 172,460.12, 258,691.46 and 60,140.12

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Solution

The fourth proportional to 172,460.12, 258,691.46 and 60,140.12 is: 90,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,460.12 : 258,691.46 = 60,140.12 : x
  2. Step 2: Convert to fraction form
    172,460.12/258,691.46 = 60,140.12/x
  3. Step 3: Cross multiply
    172,460.12x = 258,691.46 × 60,140.12
  4. Step 4: Simplify right side
    172,460.12x = 15,557,733,853.22
  5. Step 5: Solve for x
    x = 15,557,733,853.22/172,460.12
  6. Step 6: Final answer
    x = 90,210.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.