Home / 113,952.16-170,989.44-47,438.20

Finding the Fourth Proportional to 113,952.16, 170,989.44 and 47,438.20

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Solution

The fourth proportional to 113,952.16, 170,989.44 and 47,438.20 is: 71,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,952.16 : 170,989.44 = 47,438.20 : x
  2. Step 2: Convert to fraction form
    113,952.16/170,989.44 = 47,438.20/x
  3. Step 3: Cross multiply
    113,952.16x = 170,989.44 × 47,438.20
  4. Step 4: Simplify right side
    113,952.16x = 8,111,431,252.61
  5. Step 5: Solve for x
    x = 8,111,431,252.61/113,952.16
  6. Step 6: Final answer
    x = 71,182.78

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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.