Home / 156,679.08-216,251.24-96,281.40

Finding the Fourth Proportional to 156,679.08, 216,251.24 and 96,281.40

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Solution

The fourth proportional to 156,679.08, 216,251.24 and 96,281.40 is: 132,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,679.08 : 216,251.24 = 96,281.40 : x
  2. Step 2: Convert to fraction form
    156,679.08/216,251.24 = 96,281.40/x
  3. Step 3: Cross multiply
    156,679.08x = 216,251.24 × 96,281.40
  4. Step 4: Simplify right side
    156,679.08x = 20,820,972,138.94
  5. Step 5: Solve for x
    x = 20,820,972,138.94/156,679.08
  6. Step 6: Final answer
    x = 132,889.29

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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.