Home / 156,089.38-215,401.68-84,467.80

Finding the Fourth Proportional to 156,089.38, 215,401.68 and 84,467.80

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Solution

The fourth proportional to 156,089.38, 215,401.68 and 84,467.80 is: 116,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,089.38 : 215,401.68 = 84,467.80 : x
  2. Step 2: Convert to fraction form
    156,089.38/215,401.68 = 84,467.80/x
  3. Step 3: Cross multiply
    156,089.38x = 215,401.68 × 84,467.80
  4. Step 4: Simplify right side
    156,089.38x = 18,194,506,025.90
  5. Step 5: Solve for x
    x = 18,194,506,025.90/156,089.38
  6. Step 6: Final answer
    x = 116,564.66

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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.