Home / 331,432.20-497,148.30-94,782.60

Finding the Fourth Proportional to 331,432.20, 497,148.30 and 94,782.60

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Solution

The fourth proportional to 331,432.20, 497,148.30 and 94,782.60 is: 142,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,432.20 : 497,148.30 = 94,782.60 : x
  2. Step 2: Convert to fraction form
    331,432.20/497,148.30 = 94,782.60/x
  3. Step 3: Cross multiply
    331,432.20x = 497,148.30 × 94,782.60
  4. Step 4: Simplify right side
    331,432.20x = 47,121,008,459.58
  5. Step 5: Solve for x
    x = 47,121,008,459.58/331,432.20
  6. Step 6: Final answer
    x = 142,173.90

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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.