Home / 158,731.10-238,103.97-40,403.46

Finding the Fourth Proportional to 158,731.10, 238,103.97 and 40,403.46

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Solution

The fourth proportional to 158,731.10, 238,103.97 and 40,403.46 is: 60,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,731.10 : 238,103.97 = 40,403.46 : x
  2. Step 2: Convert to fraction form
    158,731.10/238,103.97 = 40,403.46/x
  3. Step 3: Cross multiply
    158,731.10x = 238,103.97 × 40,403.46
  4. Step 4: Simplify right side
    158,731.10x = 9,620,224,227.74
  5. Step 5: Solve for x
    x = 9,620,224,227.74/158,731.10
  6. Step 6: Final answer
    x = 60,607.05

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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.