Home / 107,374.14-148,189.91-64,932.57

Finding the Fourth Proportional to 107,374.14, 148,189.91 and 64,932.57

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Solution

The fourth proportional to 107,374.14, 148,189.91 and 64,932.57 is: 89,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,374.14 : 148,189.91 = 64,932.57 : x
  2. Step 2: Convert to fraction form
    107,374.14/148,189.91 = 64,932.57/x
  3. Step 3: Cross multiply
    107,374.14x = 148,189.91 × 64,932.57
  4. Step 4: Simplify right side
    107,374.14x = 9,622,351,379.71
  5. Step 5: Solve for x
    x = 9,622,351,379.71/107,374.14
  6. Step 6: Final answer
    x = 89,615.17

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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.