Home / 179,627.40-247,887.57-99,057.78

Finding the Fourth Proportional to 179,627.40, 247,887.57 and 99,057.78

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Solution

The fourth proportional to 179,627.40, 247,887.57 and 99,057.78 is: 136,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,627.40 : 247,887.57 = 99,057.78 : x
  2. Step 2: Convert to fraction form
    179,627.40/247,887.57 = 99,057.78/x
  3. Step 3: Cross multiply
    179,627.40x = 247,887.57 × 99,057.78
  4. Step 4: Simplify right side
    179,627.40x = 24,555,192,373.79
  5. Step 5: Solve for x
    x = 24,555,192,373.79/179,627.40
  6. Step 6: Final answer
    x = 136,700.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.