Home / 107,617.65-148,356.84-71,258.22

Finding the Fourth Proportional to 107,617.65, 148,356.84 and 71,258.22

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Solution

The fourth proportional to 107,617.65, 148,356.84 and 71,258.22 is: 98,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,617.65 : 148,356.84 = 71,258.22 : x
  2. Step 2: Convert to fraction form
    107,617.65/148,356.84 = 71,258.22/x
  3. Step 3: Cross multiply
    107,617.65x = 148,356.84 × 71,258.22
  4. Step 4: Simplify right side
    107,617.65x = 10,571,644,343.22
  5. Step 5: Solve for x
    x = 10,571,644,343.22/107,617.65
  6. Step 6: Final answer
    x = 98,233.37

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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.