Home / 279,210.96-385,104.60-177,148.44

Finding the Fourth Proportional to 279,210.96, 385,104.60 and 177,148.44

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Solution

The fourth proportional to 279,210.96, 385,104.60 and 177,148.44 is: 244,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,210.96 : 385,104.60 = 177,148.44 : x
  2. Step 2: Convert to fraction form
    279,210.96/385,104.60 = 177,148.44/x
  3. Step 3: Cross multiply
    279,210.96x = 385,104.60 × 177,148.44
  4. Step 4: Simplify right side
    279,210.96x = 68,220,679,126.82
  5. Step 5: Solve for x
    x = 68,220,679,126.82/279,210.96
  6. Step 6: Final answer
    x = 244,333.82

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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.