Home / 156,947.11-216,591.26-85,332.07

Finding the Fourth Proportional to 156,947.11, 216,591.26 and 85,332.07

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Solution

The fourth proportional to 156,947.11, 216,591.26 and 85,332.07 is: 117,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.11 : 216,591.26 = 85,332.07 : x
  2. Step 2: Convert to fraction form
    156,947.11/216,591.26 = 85,332.07/x
  3. Step 3: Cross multiply
    156,947.11x = 216,591.26 × 85,332.07
  4. Step 4: Simplify right side
    156,947.11x = 18,482,180,559.71
  5. Step 5: Solve for x
    x = 18,482,180,559.71/156,947.11
  6. Step 6: Final answer
    x = 117,760.57

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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.