Home / 99,150.20-148,725.29-25,278.20

Finding the Fourth Proportional to 99,150.20, 148,725.29 and 25,278.20

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Solution

The fourth proportional to 99,150.20, 148,725.29 and 25,278.20 is: 37,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150.20 : 148,725.29 = 25,278.20 : x
  2. Step 2: Convert to fraction form
    99,150.20/148,725.29 = 25,278.20/x
  3. Step 3: Cross multiply
    99,150.20x = 148,725.29 × 25,278.20
  4. Step 4: Simplify right side
    99,150.20x = 3,759,506,755.66
  5. Step 5: Solve for x
    x = 3,759,506,755.66/99,150.20
  6. Step 6: Final answer
    x = 37,917.29

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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.