Home / 113,478.13-170,167.95-38,578.15

Finding the Fourth Proportional to 113,478.13, 170,167.95 and 38,578.15

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Solution

The fourth proportional to 113,478.13, 170,167.95 and 38,578.15 is: 57,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,478.13 : 170,167.95 = 38,578.15 : x
  2. Step 2: Convert to fraction form
    113,478.13/170,167.95 = 38,578.15/x
  3. Step 3: Cross multiply
    113,478.13x = 170,167.95 × 38,578.15
  4. Step 4: Simplify right side
    113,478.13x = 6,564,764,700.29
  5. Step 5: Solve for x
    x = 6,564,764,700.29/113,478.13
  6. Step 6: Final answer
    x = 57,850.48

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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.