Home / 237,753.39-356,646.38-87,990.36

Finding the Fourth Proportional to 237,753.39, 356,646.38 and 87,990.36

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Solution

The fourth proportional to 237,753.39, 356,646.38 and 87,990.36 is: 131,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,753.39 : 356,646.38 = 87,990.36 : x
  2. Step 2: Convert to fraction form
    237,753.39/356,646.38 = 87,990.36/x
  3. Step 3: Cross multiply
    237,753.39x = 356,646.38 × 87,990.36
  4. Step 4: Simplify right side
    237,753.39x = 31,381,443,368.90
  5. Step 5: Solve for x
    x = 31,381,443,368.90/237,753.39
  6. Step 6: Final answer
    x = 131,991.57

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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.