Home / 186,921.60-280,200.15-106,877.40

Finding the Fourth Proportional to 186,921.60, 280,200.15 and 106,877.40

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Solution

The fourth proportional to 186,921.60, 280,200.15 and 106,877.40 is: 160,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,921.60 : 280,200.15 = 106,877.40 : x
  2. Step 2: Convert to fraction form
    186,921.60/280,200.15 = 106,877.40/x
  3. Step 3: Cross multiply
    186,921.60x = 280,200.15 × 106,877.40
  4. Step 4: Simplify right side
    186,921.60x = 29,947,063,511.61
  5. Step 5: Solve for x
    x = 29,947,063,511.61/186,921.60
  6. Step 6: Final answer
    x = 160,211.89

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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.