Home / 181,986.10-272,979.15-156,616.90

Finding the Fourth Proportional to 181,986.10, 272,979.15 and 156,616.90

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Solution

The fourth proportional to 181,986.10, 272,979.15 and 156,616.90 is: 234,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,986.10 : 272,979.15 = 156,616.90 : x
  2. Step 2: Convert to fraction form
    181,986.10/272,979.15 = 156,616.90/x
  3. Step 3: Cross multiply
    181,986.10x = 272,979.15 × 156,616.90
  4. Step 4: Simplify right side
    181,986.10x = 42,753,148,237.64
  5. Step 5: Solve for x
    x = 42,753,148,237.64/181,986.10
  6. Step 6: Final answer
    x = 234,925.35

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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.