Home / 156,517.79-215,994.87-84,898.13

Finding the Fourth Proportional to 156,517.79, 215,994.87 and 84,898.13

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Solution

The fourth proportional to 156,517.79, 215,994.87 and 84,898.13 is: 117,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,517.79 : 215,994.87 = 84,898.13 : x
  2. Step 2: Convert to fraction form
    156,517.79/215,994.87 = 84,898.13/x
  3. Step 3: Cross multiply
    156,517.79x = 215,994.87 × 84,898.13
  4. Step 4: Simplify right side
    156,517.79x = 18,337,559,472.62
  5. Step 5: Solve for x
    x = 18,337,559,472.62/156,517.79
  6. Step 6: Final answer
    x = 117,159.59

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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.