Home / 102,584.60-153,876.90-83,922.20

Finding the Fourth Proportional to 102,584.60, 153,876.90 and 83,922.20

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Solution

The fourth proportional to 102,584.60, 153,876.90 and 83,922.20 is: 125,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,584.60 : 153,876.90 = 83,922.20 : x
  2. Step 2: Convert to fraction form
    102,584.60/153,876.90 = 83,922.20/x
  3. Step 3: Cross multiply
    102,584.60x = 153,876.90 × 83,922.20
  4. Step 4: Simplify right side
    102,584.60x = 12,913,687,977.18
  5. Step 5: Solve for x
    x = 12,913,687,977.18/102,584.60
  6. Step 6: Final answer
    x = 125,883.30

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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.