Home / 521,951.04-782,982.72-166,838.40

Finding the Fourth Proportional to 521,951.04, 782,982.72 and 166,838.40

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Solution

The fourth proportional to 521,951.04, 782,982.72 and 166,838.40 is: 250,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,951.04 : 782,982.72 = 166,838.40 : x
  2. Step 2: Convert to fraction form
    521,951.04/782,982.72 = 166,838.40/x
  3. Step 3: Cross multiply
    521,951.04x = 782,982.72 × 166,838.40
  4. Step 4: Simplify right side
    521,951.04x = 130,631,584,232.45
  5. Step 5: Solve for x
    x = 130,631,584,232.45/521,951.04
  6. Step 6: Final answer
    x = 250,275.55

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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.