Home / 177,020.43-244,289.28-105,403.47

Finding the Fourth Proportional to 177,020.43, 244,289.28 and 105,403.47

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Solution

The fourth proportional to 177,020.43, 244,289.28 and 105,403.47 is: 145,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,020.43 : 244,289.28 = 105,403.47 : x
  2. Step 2: Convert to fraction form
    177,020.43/244,289.28 = 105,403.47/x
  3. Step 3: Cross multiply
    177,020.43x = 244,289.28 × 105,403.47
  4. Step 4: Simplify right side
    177,020.43x = 25,748,937,795.80
  5. Step 5: Solve for x
    x = 25,748,937,795.80/177,020.43
  6. Step 6: Final answer
    x = 145,457.44

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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.