Home / 316,677.75-437,020.05-173,451.15

Finding the Fourth Proportional to 316,677.75, 437,020.05 and 173,451.15

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Solution

The fourth proportional to 316,677.75, 437,020.05 and 173,451.15 is: 239,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,677.75 : 437,020.05 = 173,451.15 : x
  2. Step 2: Convert to fraction form
    316,677.75/437,020.05 = 173,451.15/x
  3. Step 3: Cross multiply
    316,677.75x = 437,020.05 × 173,451.15
  4. Step 4: Simplify right side
    316,677.75x = 75,801,630,245.56
  5. Step 5: Solve for x
    x = 75,801,630,245.56/316,677.75
  6. Step 6: Final answer
    x = 239,365.19

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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.