Home / 156,228.14-215,593.68-84,606.50

Finding the Fourth Proportional to 156,228.14, 215,593.68 and 84,606.50

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Solution

The fourth proportional to 156,228.14, 215,593.68 and 84,606.50 is: 116,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,228.14 : 215,593.68 = 84,606.50 : x
  2. Step 2: Convert to fraction form
    156,228.14/215,593.68 = 84,606.50/x
  3. Step 3: Cross multiply
    156,228.14x = 215,593.68 × 84,606.50
  4. Step 4: Simplify right side
    156,228.14x = 18,240,626,686.92
  5. Step 5: Solve for x
    x = 18,240,626,686.92/156,228.14
  6. Step 6: Final answer
    x = 116,756.35

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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.