Home / 131,598.17-181,606.01-71,168.81

Finding the Fourth Proportional to 131,598.17, 181,606.01 and 71,168.81

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Solution

The fourth proportional to 131,598.17, 181,606.01 and 71,168.81 is: 98,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598.17 : 181,606.01 = 71,168.81 : x
  2. Step 2: Convert to fraction form
    131,598.17/181,606.01 = 71,168.81/x
  3. Step 3: Cross multiply
    131,598.17x = 181,606.01 × 71,168.81
  4. Step 4: Simplify right side
    131,598.17x = 12,924,683,517.97
  5. Step 5: Solve for x
    x = 12,924,683,517.97/131,598.17
  6. Step 6: Final answer
    x = 98,213.25

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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.