Home / 107,617.14-148,521.33-65,173.14

Finding the Fourth Proportional to 107,617.14, 148,521.33 and 65,173.14

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Solution

The fourth proportional to 107,617.14, 148,521.33 and 65,173.14 is: 89,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,617.14 : 148,521.33 = 65,173.14 : x
  2. Step 2: Convert to fraction form
    107,617.14/148,521.33 = 65,173.14/x
  3. Step 3: Cross multiply
    107,617.14x = 148,521.33 × 65,173.14
  4. Step 4: Simplify right side
    107,617.14x = 9,679,601,433.08
  5. Step 5: Solve for x
    x = 9,679,601,433.08/107,617.14
  6. Step 6: Final answer
    x = 89,944.79

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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.