Home / 135,211.20-202,816.80-41,726.40

Finding the Fourth Proportional to 135,211.20, 202,816.80 and 41,726.40

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Solution

The fourth proportional to 135,211.20, 202,816.80 and 41,726.40 is: 62,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,211.20 : 202,816.80 = 41,726.40 : x
  2. Step 2: Convert to fraction form
    135,211.20/202,816.80 = 41,726.40/x
  3. Step 3: Cross multiply
    135,211.20x = 202,816.80 × 41,726.40
  4. Step 4: Simplify right side
    135,211.20x = 8,462,814,923.52
  5. Step 5: Solve for x
    x = 8,462,814,923.52/135,211.20
  6. Step 6: Final answer
    x = 62,589.60

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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.