Home / 231,630.30-347,445.45-98,514.90

Finding the Fourth Proportional to 231,630.30, 347,445.45 and 98,514.90

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Solution

The fourth proportional to 231,630.30, 347,445.45 and 98,514.90 is: 147,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,630.30 : 347,445.45 = 98,514.90 : x
  2. Step 2: Convert to fraction form
    231,630.30/347,445.45 = 98,514.90/x
  3. Step 3: Cross multiply
    231,630.30x = 347,445.45 × 98,514.90
  4. Step 4: Simplify right side
    231,630.30x = 34,228,553,762.21
  5. Step 5: Solve for x
    x = 34,228,553,762.21/231,630.30
  6. Step 6: Final answer
    x = 147,772.35

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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.