Home / 209,326.60-313,932.30-84,680.20

Finding the Fourth Proportional to 209,326.60, 313,932.30 and 84,680.20

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Solution

The fourth proportional to 209,326.60, 313,932.30 and 84,680.20 is: 126,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,326.60 : 313,932.30 = 84,680.20 : x
  2. Step 2: Convert to fraction form
    209,326.60/313,932.30 = 84,680.20/x
  3. Step 3: Cross multiply
    209,326.60x = 313,932.30 × 84,680.20
  4. Step 4: Simplify right side
    209,326.60x = 26,583,849,950.46
  5. Step 5: Solve for x
    x = 26,583,849,950.46/209,326.60
  6. Step 6: Final answer
    x = 126,997.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.