Home / 263,543.10-363,685.08-142,683.41

Finding the Fourth Proportional to 263,543.10, 363,685.08 and 142,683.41

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Solution

The fourth proportional to 263,543.10, 363,685.08 and 142,683.41 is: 196,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,543.10 : 363,685.08 = 142,683.41 : x
  2. Step 2: Convert to fraction form
    263,543.10/363,685.08 = 142,683.41/x
  3. Step 3: Cross multiply
    263,543.10x = 363,685.08 × 142,683.41
  4. Step 4: Simplify right side
    263,543.10x = 51,891,825,562.10
  5. Step 5: Solve for x
    x = 51,891,825,562.10/263,543.10
  6. Step 6: Final answer
    x = 196,900.72

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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.