Home / 131,210.60-181,087.99-73,861.02

Finding the Fourth Proportional to 131,210.60, 181,087.99 and 73,861.02

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Solution

The fourth proportional to 131,210.60, 181,087.99 and 73,861.02 is: 101,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,210.60 : 181,087.99 = 73,861.02 : x
  2. Step 2: Convert to fraction form
    131,210.60/181,087.99 = 73,861.02/x
  3. Step 3: Cross multiply
    131,210.60x = 181,087.99 × 73,861.02
  4. Step 4: Simplify right side
    131,210.60x = 13,375,343,734.56
  5. Step 5: Solve for x
    x = 13,375,343,734.56/131,210.60
  6. Step 6: Final answer
    x = 101,937.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.