Home / 263,747.17-363,970.65-142,891.53

Finding the Fourth Proportional to 263,747.17, 363,970.65 and 142,891.53

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Solution

The fourth proportional to 263,747.17, 363,970.65 and 142,891.53 is: 197,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,747.17 : 363,970.65 = 142,891.53 : x
  2. Step 2: Convert to fraction form
    263,747.17/363,970.65 = 142,891.53/x
  3. Step 3: Cross multiply
    263,747.17x = 363,970.65 × 142,891.53
  4. Step 4: Simplify right side
    263,747.17x = 52,008,323,053.59
  5. Step 5: Solve for x
    x = 52,008,323,053.59/263,747.17
  6. Step 6: Final answer
    x = 197,190.07

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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.