Home / 263,153.38-363,151.41-142,294.38

Finding the Fourth Proportional to 263,153.38, 363,151.41 and 142,294.38

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Solution

The fourth proportional to 263,153.38, 363,151.41 and 142,294.38 is: 196,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,153.38 : 363,151.41 = 142,294.38 : x
  2. Step 2: Convert to fraction form
    263,153.38/363,151.41 = 142,294.38/x
  3. Step 3: Cross multiply
    263,153.38x = 363,151.41 × 142,294.38
  4. Step 4: Simplify right side
    263,153.38x = 51,674,402,836.65
  5. Step 5: Solve for x
    x = 51,674,402,836.65/263,153.38
  6. Step 6: Final answer
    x = 196,366.10

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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.