Home / 194,634.10-291,951.15-69,987.70

Finding the Fourth Proportional to 194,634.10, 291,951.15 and 69,987.70

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Solution

The fourth proportional to 194,634.10, 291,951.15 and 69,987.70 is: 104,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,634.10 : 291,951.15 = 69,987.70 : x
  2. Step 2: Convert to fraction form
    194,634.10/291,951.15 = 69,987.70/x
  3. Step 3: Cross multiply
    194,634.10x = 291,951.15 × 69,987.70
  4. Step 4: Simplify right side
    194,634.10x = 20,432,989,500.86
  5. Step 5: Solve for x
    x = 20,432,989,500.86/194,634.10
  6. Step 6: Final answer
    x = 104,981.55

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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.