Home / 95,505.20-143,218.92-42,900.56

Finding the Fourth Proportional to 95,505.20, 143,218.92 and 42,900.56

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Solution

The fourth proportional to 95,505.20, 143,218.92 and 42,900.56 is: 64,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,505.20 : 143,218.92 = 42,900.56 : x
  2. Step 2: Convert to fraction form
    95,505.20/143,218.92 = 42,900.56/x
  3. Step 3: Cross multiply
    95,505.20x = 143,218.92 × 42,900.56
  4. Step 4: Simplify right side
    95,505.20x = 6,144,171,870.60
  5. Step 5: Solve for x
    x = 6,144,171,870.60/95,505.20
  6. Step 6: Final answer
    x = 64,333.38

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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.