Home / 156,770.12-216,344.42-85,151.52

Finding the Fourth Proportional to 156,770.12, 216,344.42 and 85,151.52

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Solution

The fourth proportional to 156,770.12, 216,344.42 and 85,151.52 is: 117,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,770.12 : 216,344.42 = 85,151.52 : x
  2. Step 2: Convert to fraction form
    156,770.12/216,344.42 = 85,151.52/x
  3. Step 3: Cross multiply
    156,770.12x = 216,344.42 × 85,151.52
  4. Step 4: Simplify right side
    156,770.12x = 18,422,056,206.52
  5. Step 5: Solve for x
    x = 18,422,056,206.52/156,770.12
  6. Step 6: Final answer
    x = 117,510.00

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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.