Home / 115,184.23-172,854.19-40,305.02

Finding the Fourth Proportional to 115,184.23, 172,854.19 and 40,305.02

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Solution

The fourth proportional to 115,184.23, 172,854.19 and 40,305.02 is: 60,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.23 : 172,854.19 = 40,305.02 : x
  2. Step 2: Convert to fraction form
    115,184.23/172,854.19 = 40,305.02/x
  3. Step 3: Cross multiply
    115,184.23x = 172,854.19 × 40,305.02
  4. Step 4: Simplify right side
    115,184.23x = 6,966,891,743.45
  5. Step 5: Solve for x
    x = 6,966,891,743.45/115,184.23
  6. Step 6: Final answer
    x = 60,484.77

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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.