Home / 107,618.65-148,358.22-71,259.22

Finding the Fourth Proportional to 107,618.65, 148,358.22 and 71,259.22

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Solution

The fourth proportional to 107,618.65, 148,358.22 and 71,259.22 is: 98,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,618.65 : 148,358.22 = 71,259.22 : x
  2. Step 2: Convert to fraction form
    107,618.65/148,358.22 = 71,259.22/x
  3. Step 3: Cross multiply
    107,618.65x = 148,358.22 × 71,259.22
  4. Step 4: Simplify right side
    107,618.65x = 10,571,891,037.79
  5. Step 5: Solve for x
    x = 10,571,891,037.79/107,618.65
  6. Step 6: Final answer
    x = 98,234.75

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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.