Home / 156,238.14-215,607.42-84,616.50

Finding the Fourth Proportional to 156,238.14, 215,607.42 and 84,616.50

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Solution

The fourth proportional to 156,238.14, 215,607.42 and 84,616.50 is: 116,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,238.14 : 215,607.42 = 84,616.50 : x
  2. Step 2: Convert to fraction form
    156,238.14/215,607.42 = 84,616.50/x
  3. Step 3: Cross multiply
    156,238.14x = 215,607.42 × 84,616.50
  4. Step 4: Simplify right side
    156,238.14x = 18,243,945,254.43
  5. Step 5: Solve for x
    x = 18,243,945,254.43/156,238.14
  6. Step 6: Final answer
    x = 116,770.11

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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.