Home / 113,512.70-170,147.55-38,563.40

Finding the Fourth Proportional to 113,512.70, 170,147.55 and 38,563.40

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Solution

The fourth proportional to 113,512.70, 170,147.55 and 38,563.40 is: 57,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,512.70 : 170,147.55 = 38,563.40 : x
  2. Step 2: Convert to fraction form
    113,512.70/170,147.55 = 38,563.40/x
  3. Step 3: Cross multiply
    113,512.70x = 170,147.55 × 38,563.40
  4. Step 4: Simplify right side
    113,512.70x = 6,561,468,029.67
  5. Step 5: Solve for x
    x = 6,561,468,029.67/113,512.70
  6. Step 6: Final answer
    x = 57,803.82

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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.