Home / 156,170.80-215,513.10-84,550.24

Finding the Fourth Proportional to 156,170.80, 215,513.10 and 84,550.24

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Solution

The fourth proportional to 156,170.80, 215,513.10 and 84,550.24 is: 116,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,170.80 : 215,513.10 = 84,550.24 : x
  2. Step 2: Convert to fraction form
    156,170.80/215,513.10 = 84,550.24/x
  3. Step 3: Cross multiply
    156,170.80x = 215,513.10 × 84,550.24
  4. Step 4: Simplify right side
    156,170.80x = 18,221,684,328.14
  5. Step 5: Solve for x
    x = 18,221,684,328.14/156,170.80
  6. Step 6: Final answer
    x = 116,677.92

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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.