Home / 107,564.49-148,182.08-75,238.75

Finding the Fourth Proportional to 107,564.49, 148,182.08 and 75,238.75

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Solution

The fourth proportional to 107,564.49, 148,182.08 and 75,238.75 is: 103,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,564.49 : 148,182.08 = 75,238.75 : x
  2. Step 2: Convert to fraction form
    107,564.49/148,182.08 = 75,238.75/x
  3. Step 3: Cross multiply
    107,564.49x = 148,182.08 × 75,238.75
  4. Step 4: Simplify right side
    107,564.49x = 11,149,034,471.60
  5. Step 5: Solve for x
    x = 11,149,034,471.60/107,564.49
  6. Step 6: Final answer
    x = 103,649.77

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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.