Home / 106,728.96-147,273.24-63,700.56

Finding the Fourth Proportional to 106,728.96, 147,273.24 and 63,700.56

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Solution

The fourth proportional to 106,728.96, 147,273.24 and 63,700.56 is: 87,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,728.96 : 147,273.24 = 63,700.56 : x
  2. Step 2: Convert to fraction form
    106,728.96/147,273.24 = 63,700.56/x
  3. Step 3: Cross multiply
    106,728.96x = 147,273.24 × 63,700.56
  4. Step 4: Simplify right side
    106,728.96x = 9,381,387,861.01
  5. Step 5: Solve for x
    x = 9,381,387,861.01/106,728.96
  6. Step 6: Final answer
    x = 87,899.18

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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.