Home / 131,599.43-181,606.69-71,170.14

Finding the Fourth Proportional to 131,599.43, 181,606.69 and 71,170.14

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Solution

The fourth proportional to 131,599.43, 181,606.69 and 71,170.14 is: 98,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,599.43 : 181,606.69 = 71,170.14 : x
  2. Step 2: Convert to fraction form
    131,599.43/181,606.69 = 71,170.14/x
  3. Step 3: Cross multiply
    131,599.43x = 181,606.69 × 71,170.14
  4. Step 4: Simplify right side
    131,599.43x = 12,924,973,552.24
  5. Step 5: Solve for x
    x = 12,924,973,552.24/131,599.43
  6. Step 6: Final answer
    x = 98,214.51

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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.