Home / 107,952.20-161,709.60-61,150.40

Finding the Fourth Proportional to 107,952.20, 161,709.60 and 61,150.40

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Solution

The fourth proportional to 107,952.20, 161,709.60 and 61,150.40 is: 91,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,952.20 : 161,709.60 = 61,150.40 : x
  2. Step 2: Convert to fraction form
    107,952.20/161,709.60 = 61,150.40/x
  3. Step 3: Cross multiply
    107,952.20x = 161,709.60 × 61,150.40
  4. Step 4: Simplify right side
    107,952.20x = 9,888,606,723.84
  5. Step 5: Solve for x
    x = 9,888,606,723.84/107,952.20
  6. Step 6: Final answer
    x = 91,601.72

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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.