Home / 147,019.58-220,469.98-57,014.90

Finding the Fourth Proportional to 147,019.58, 220,469.98 and 57,014.90

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Solution

The fourth proportional to 147,019.58, 220,469.98 and 57,014.90 is: 85,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,019.58 : 220,469.98 = 57,014.90 : x
  2. Step 2: Convert to fraction form
    147,019.58/220,469.98 = 57,014.90/x
  3. Step 3: Cross multiply
    147,019.58x = 220,469.98 × 57,014.90
  4. Step 4: Simplify right side
    147,019.58x = 12,570,073,862.70
  5. Step 5: Solve for x
    x = 12,570,073,862.70/147,019.58
  6. Step 6: Final answer
    x = 85,499.32

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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.