Home / 149,534.16-206,350.20-85,827.12

Finding the Fourth Proportional to 149,534.16, 206,350.20 and 85,827.12

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Solution

The fourth proportional to 149,534.16, 206,350.20 and 85,827.12 is: 118,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,534.16 : 206,350.20 = 85,827.12 : x
  2. Step 2: Convert to fraction form
    149,534.16/206,350.20 = 85,827.12/x
  3. Step 3: Cross multiply
    149,534.16x = 206,350.20 × 85,827.12
  4. Step 4: Simplify right side
    149,534.16x = 17,710,443,377.42
  5. Step 5: Solve for x
    x = 17,710,443,377.42/149,534.16
  6. Step 6: Final answer
    x = 118,437.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.