Home / 107,754.06-148,624.13-91,509.21

Finding the Fourth Proportional to 107,754.06, 148,624.13 and 91,509.21

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Solution

The fourth proportional to 107,754.06, 148,624.13 and 91,509.21 is: 126,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,754.06 : 148,624.13 = 91,509.21 : x
  2. Step 2: Convert to fraction form
    107,754.06/148,624.13 = 91,509.21/x
  3. Step 3: Cross multiply
    107,754.06x = 148,624.13 × 91,509.21
  4. Step 4: Simplify right side
    107,754.06x = 13,600,476,723.24
  5. Step 5: Solve for x
    x = 13,600,476,723.24/107,754.06
  6. Step 6: Final answer
    x = 126,217.77

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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.