Home / 156,950.90-216,591.77-85,330.42

Finding the Fourth Proportional to 156,950.90, 216,591.77 and 85,330.42

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Solution

The fourth proportional to 156,950.90, 216,591.77 and 85,330.42 is: 117,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.90 : 216,591.77 = 85,330.42 : x
  2. Step 2: Convert to fraction form
    156,950.90/216,591.77 = 85,330.42/x
  3. Step 3: Cross multiply
    156,950.90x = 216,591.77 × 85,330.42
  4. Step 4: Simplify right side
    156,950.90x = 18,481,866,702.64
  5. Step 5: Solve for x
    x = 18,481,866,702.64/156,950.90
  6. Step 6: Final answer
    x = 117,755.72

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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.