Home / 279,161.06-385,223.30-151,833.92

Finding the Fourth Proportional to 279,161.06, 385,223.30 and 151,833.92

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Solution

The fourth proportional to 279,161.06, 385,223.30 and 151,833.92 is: 209,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,161.06 : 385,223.30 = 151,833.92 : x
  2. Step 2: Convert to fraction form
    279,161.06/385,223.30 = 151,833.92/x
  3. Step 3: Cross multiply
    279,161.06x = 385,223.30 × 151,833.92
  4. Step 4: Simplify right side
    279,161.06x = 58,489,963,714.34
  5. Step 5: Solve for x
    x = 58,489,963,714.34/279,161.06
  6. Step 6: Final answer
    x = 209,520.50

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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.