Home / 215,541.10-323,311.65-110,565.10

Finding the Fourth Proportional to 215,541.10, 323,311.65 and 110,565.10

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Solution

The fourth proportional to 215,541.10, 323,311.65 and 110,565.10 is: 165,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,541.10 : 323,311.65 = 110,565.10 : x
  2. Step 2: Convert to fraction form
    215,541.10/323,311.65 = 110,565.10/x
  3. Step 3: Cross multiply
    215,541.10x = 323,311.65 × 110,565.10
  4. Step 4: Simplify right side
    215,541.10x = 35,746,984,913.42
  5. Step 5: Solve for x
    x = 35,746,984,913.42/215,541.10
  6. Step 6: Final answer
    x = 165,847.65

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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.