Home / 279,335.06-385,481.67-152,010.62

Finding the Fourth Proportional to 279,335.06, 385,481.67 and 152,010.62

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Solution

The fourth proportional to 279,335.06, 385,481.67 and 152,010.62 is: 209,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,335.06 : 385,481.67 = 152,010.62 : x
  2. Step 2: Convert to fraction form
    279,335.06/385,481.67 = 152,010.62/x
  3. Step 3: Cross multiply
    279,335.06x = 385,481.67 × 152,010.62
  4. Step 4: Simplify right side
    279,335.06x = 58,597,307,655.34
  5. Step 5: Solve for x
    x = 58,597,307,655.34/279,335.06
  6. Step 6: Final answer
    x = 209,774.27

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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.