Home / 156,155.73-215,493.12-84,534.18

Finding the Fourth Proportional to 156,155.73, 215,493.12 and 84,534.18

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Solution

The fourth proportional to 156,155.73, 215,493.12 and 84,534.18 is: 116,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,155.73 : 215,493.12 = 84,534.18 : x
  2. Step 2: Convert to fraction form
    156,155.73/215,493.12 = 84,534.18/x
  3. Step 3: Cross multiply
    156,155.73x = 215,493.12 × 84,534.18
  4. Step 4: Simplify right side
    156,155.73x = 18,216,534,194.84
  5. Step 5: Solve for x
    x = 18,216,534,194.84/156,155.73
  6. Step 6: Final answer
    x = 116,656.20

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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.