Home / 279,467.52-385,599.60-158,581.44

Finding the Fourth Proportional to 279,467.52, 385,599.60 and 158,581.44

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Solution

The fourth proportional to 279,467.52, 385,599.60 and 158,581.44 is: 218,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,467.52 : 385,599.60 = 158,581.44 : x
  2. Step 2: Convert to fraction form
    279,467.52/385,599.60 = 158,581.44/x
  3. Step 3: Cross multiply
    279,467.52x = 385,599.60 × 158,581.44
  4. Step 4: Simplify right side
    279,467.52x = 61,148,939,831.42
  5. Step 5: Solve for x
    x = 61,148,939,831.42/279,467.52
  6. Step 6: Final answer
    x = 218,805.18

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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.