Home / 107,687.08-148,568.31-107,521.01

Finding the Fourth Proportional to 107,687.08, 148,568.31 and 107,521.01

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Solution

The fourth proportional to 107,687.08, 148,568.31 and 107,521.01 is: 148,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.08 : 148,568.31 = 107,521.01 : x
  2. Step 2: Convert to fraction form
    107,687.08/148,568.31 = 107,521.01/x
  3. Step 3: Cross multiply
    107,687.08x = 148,568.31 × 107,521.01
  4. Step 4: Simplify right side
    107,687.08x = 15,974,214,002.35
  5. Step 5: Solve for x
    x = 15,974,214,002.35/107,687.08
  6. Step 6: Final answer
    x = 148,339.19

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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.