Home / 191,732.20-287,598.30-162,207.70

Finding the Fourth Proportional to 191,732.20, 287,598.30 and 162,207.70

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Solution

The fourth proportional to 191,732.20, 287,598.30 and 162,207.70 is: 243,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,732.20 : 287,598.30 = 162,207.70 : x
  2. Step 2: Convert to fraction form
    191,732.20/287,598.30 = 162,207.70/x
  3. Step 3: Cross multiply
    191,732.20x = 287,598.30 × 162,207.70
  4. Step 4: Simplify right side
    191,732.20x = 46,650,658,766.91
  5. Step 5: Solve for x
    x = 46,650,658,766.91/191,732.20
  6. Step 6: Final answer
    x = 243,311.55

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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.