Home / 263,412.41-363,510.05-142,553.66

Finding the Fourth Proportional to 263,412.41, 363,510.05 and 142,553.66

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Solution

The fourth proportional to 263,412.41, 363,510.05 and 142,553.66 is: 196,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,412.41 : 363,510.05 = 142,553.66 : x
  2. Step 2: Convert to fraction form
    263,412.41/363,510.05 = 142,553.66/x
  3. Step 3: Cross multiply
    263,412.41x = 363,510.05 × 142,553.66
  4. Step 4: Simplify right side
    263,412.41x = 51,819,685,543.96
  5. Step 5: Solve for x
    x = 51,819,685,543.96/263,412.41
  6. Step 6: Final answer
    x = 196,724.55

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1.5x scale

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.