Home / 351,947.40-527,921.10-165,323.40

Finding the Fourth Proportional to 351,947.40, 527,921.10 and 165,323.40

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Solution

The fourth proportional to 351,947.40, 527,921.10 and 165,323.40 is: 247,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,947.40 : 527,921.10 = 165,323.40 : x
  2. Step 2: Convert to fraction form
    351,947.40/527,921.10 = 165,323.40/x
  3. Step 3: Cross multiply
    351,947.40x = 527,921.10 × 165,323.40
  4. Step 4: Simplify right side
    351,947.40x = 87,277,711,183.74
  5. Step 5: Solve for x
    x = 87,277,711,183.74/351,947.40
  6. Step 6: Final answer
    x = 247,985.10

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Similar ratio
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1.5x scale

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.