Home / 318,481.06-439,492.89-175,227.70

Finding the Fourth Proportional to 318,481.06, 439,492.89 and 175,227.70

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Solution

The fourth proportional to 318,481.06, 439,492.89 and 175,227.70 is: 241,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,481.06 : 439,492.89 = 175,227.70 : x
  2. Step 2: Convert to fraction form
    318,481.06/439,492.89 = 175,227.70/x
  3. Step 3: Cross multiply
    318,481.06x = 439,492.89 × 175,227.70
  4. Step 4: Simplify right side
    318,481.06x = 77,011,328,281.05
  5. Step 5: Solve for x
    x = 77,011,328,281.05/318,481.06
  6. Step 6: Final answer
    x = 241,808.19

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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.