Home / 156,789.84-235,176.93-38,454.78

Finding the Fourth Proportional to 156,789.84, 235,176.93 and 38,454.78

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Solution

The fourth proportional to 156,789.84, 235,176.93 and 38,454.78 is: 57,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,789.84 : 235,176.93 = 38,454.78 : x
  2. Step 2: Convert to fraction form
    156,789.84/235,176.93 = 38,454.78/x
  3. Step 3: Cross multiply
    156,789.84x = 235,176.93 × 38,454.78
  4. Step 4: Simplify right side
    156,789.84x = 9,043,677,104.23
  5. Step 5: Solve for x
    x = 9,043,677,104.23/156,789.84
  6. Step 6: Final answer
    x = 57,680.25

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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.