Home / 230,837.90-346,213.11-81,042.98

Finding the Fourth Proportional to 230,837.90, 346,213.11 and 81,042.98

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Solution

The fourth proportional to 230,837.90, 346,213.11 and 81,042.98 is: 121,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,837.90 : 346,213.11 = 81,042.98 : x
  2. Step 2: Convert to fraction form
    230,837.90/346,213.11 = 81,042.98/x
  3. Step 3: Cross multiply
    230,837.90x = 346,213.11 × 81,042.98
  4. Step 4: Simplify right side
    230,837.90x = 28,058,142,149.47
  5. Step 5: Solve for x
    x = 28,058,142,149.47/230,837.90
  6. Step 6: Final answer
    x = 121,549.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.