Home / 107,372.28-148,001.40-72,906.24

Finding the Fourth Proportional to 107,372.28, 148,001.40 and 72,906.24

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Solution

The fourth proportional to 107,372.28, 148,001.40 and 72,906.24 is: 100,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,372.28 : 148,001.40 = 72,906.24 : x
  2. Step 2: Convert to fraction form
    107,372.28/148,001.40 = 72,906.24/x
  3. Step 3: Cross multiply
    107,372.28x = 148,001.40 × 72,906.24
  4. Step 4: Simplify right side
    107,372.28x = 10,790,225,588.74
  5. Step 5: Solve for x
    x = 10,790,225,588.74/107,372.28
  6. Step 6: Final answer
    x = 100,493.59

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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.