Home / 135,106.86-202,591.48-45,117.20

Finding the Fourth Proportional to 135,106.86, 202,591.48 and 45,117.20

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Solution

The fourth proportional to 135,106.86, 202,591.48 and 45,117.20 is: 67,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,106.86 : 202,591.48 = 45,117.20 : x
  2. Step 2: Convert to fraction form
    135,106.86/202,591.48 = 45,117.20/x
  3. Step 3: Cross multiply
    135,106.86x = 202,591.48 × 45,117.20
  4. Step 4: Simplify right side
    135,106.86x = 9,140,360,321.46
  5. Step 5: Solve for x
    x = 9,140,360,321.46/135,106.86
  6. Step 6: Final answer
    x = 67,652.82

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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.