Home / 96,350.70-144,439.65-85,853.10

Finding the Fourth Proportional to 96,350.70, 144,439.65 and 85,853.10

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Solution

The fourth proportional to 96,350.70, 144,439.65 and 85,853.10 is: 128,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,350.70 : 144,439.65 = 85,853.10 : x
  2. Step 2: Convert to fraction form
    96,350.70/144,439.65 = 85,853.10/x
  3. Step 3: Cross multiply
    96,350.70x = 144,439.65 × 85,853.10
  4. Step 4: Simplify right side
    96,350.70x = 12,400,591,715.42
  5. Step 5: Solve for x
    x = 12,400,591,715.42/96,350.70
  6. Step 6: Final answer
    x = 128,702.66

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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.