Home / 263,549.35-363,693.67-142,689.66

Finding the Fourth Proportional to 263,549.35, 363,693.67 and 142,689.66

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Solution

The fourth proportional to 263,549.35, 363,693.67 and 142,689.66 is: 196,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,549.35 : 363,693.67 = 142,689.66 : x
  2. Step 2: Convert to fraction form
    263,549.35/363,693.67 = 142,689.66/x
  3. Step 3: Cross multiply
    263,549.35x = 363,693.67 × 142,689.66
  4. Step 4: Simplify right side
    263,549.35x = 51,895,326,116.45
  5. Step 5: Solve for x
    x = 51,895,326,116.45/263,549.35
  6. Step 6: Final answer
    x = 196,909.33

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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.