Home / 104,306.56-156,298.79-70,439.85

Finding the Fourth Proportional to 104,306.56, 156,298.79 and 70,439.85

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Solution

The fourth proportional to 104,306.56, 156,298.79 and 70,439.85 is: 105,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,306.56 : 156,298.79 = 70,439.85 : x
  2. Step 2: Convert to fraction form
    104,306.56/156,298.79 = 70,439.85/x
  3. Step 3: Cross multiply
    104,306.56x = 156,298.79 × 70,439.85
  4. Step 4: Simplify right side
    104,306.56x = 11,009,663,322.78
  5. Step 5: Solve for x
    x = 11,009,663,322.78/104,306.56
  6. Step 6: Final answer
    x = 105,551.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.