Home / 156,473.04-215,944.72-88,491.36

Finding the Fourth Proportional to 156,473.04, 215,944.72 and 88,491.36

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Solution

The fourth proportional to 156,473.04, 215,944.72 and 88,491.36 is: 122,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,473.04 : 215,944.72 = 88,491.36 : x
  2. Step 2: Convert to fraction form
    156,473.04/215,944.72 = 88,491.36/x
  3. Step 3: Cross multiply
    156,473.04x = 215,944.72 × 88,491.36
  4. Step 4: Simplify right side
    156,473.04x = 19,109,241,957.62
  5. Step 5: Solve for x
    x = 19,109,241,957.62/156,473.04
  6. Step 6: Final answer
    x = 122,124.82

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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.