Home / 177,019.43-244,287.90-105,402.47

Finding the Fourth Proportional to 177,019.43, 244,287.90 and 105,402.47

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Solution

The fourth proportional to 177,019.43, 244,287.90 and 105,402.47 is: 145,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,019.43 : 244,287.90 = 105,402.47 : x
  2. Step 2: Convert to fraction form
    177,019.43/244,287.90 = 105,402.47/x
  3. Step 3: Cross multiply
    177,019.43x = 244,287.90 × 105,402.47
  4. Step 4: Simplify right side
    177,019.43x = 25,748,546,829.67
  5. Step 5: Solve for x
    x = 25,748,546,829.67/177,019.43
  6. Step 6: Final answer
    x = 145,456.05

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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.