Home / 92,160.07-138,256.30-38,124.56

Finding the Fourth Proportional to 92,160.07, 138,256.30 and 38,124.56

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Solution

The fourth proportional to 92,160.07, 138,256.30 and 38,124.56 is: 57,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,160.07 : 138,256.30 = 38,124.56 : x
  2. Step 2: Convert to fraction form
    92,160.07/138,256.30 = 38,124.56/x
  3. Step 3: Cross multiply
    92,160.07x = 138,256.30 × 38,124.56
  4. Step 4: Simplify right side
    92,160.07x = 5,270,960,604.73
  5. Step 5: Solve for x
    x = 5,270,960,604.73/92,160.07
  6. Step 6: Final answer
    x = 57,193.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.