Home / 231,000.10-346,500.15-73,228.30

Finding the Fourth Proportional to 231,000.10, 346,500.15 and 73,228.30

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Solution

The fourth proportional to 231,000.10, 346,500.15 and 73,228.30 is: 109,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,000.10 : 346,500.15 = 73,228.30 : x
  2. Step 2: Convert to fraction form
    231,000.10/346,500.15 = 73,228.30/x
  3. Step 3: Cross multiply
    231,000.10x = 346,500.15 × 73,228.30
  4. Step 4: Simplify right side
    231,000.10x = 25,373,616,934.25
  5. Step 5: Solve for x
    x = 25,373,616,934.25/231,000.10
  6. Step 6: Final answer
    x = 109,842.45

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Similar ratio
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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.