Home / 181,981.71-251,135.75-105,546.11

Finding the Fourth Proportional to 181,981.71, 251,135.75 and 105,546.11

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Solution

The fourth proportional to 181,981.71, 251,135.75 and 105,546.11 is: 145,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,981.71 : 251,135.75 = 105,546.11 : x
  2. Step 2: Convert to fraction form
    181,981.71/251,135.75 = 105,546.11/x
  3. Step 3: Cross multiply
    181,981.71x = 251,135.75 × 105,546.11
  4. Step 4: Simplify right side
    181,981.71x = 26,506,400,502.62
  5. Step 5: Solve for x
    x = 26,506,400,502.62/181,981.71
  6. Step 6: Final answer
    x = 145,654.20

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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.