Home / 124,270.34-186,428.76-68,079.48

Finding the Fourth Proportional to 124,270.34, 186,428.76 and 68,079.48

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Solution

The fourth proportional to 124,270.34, 186,428.76 and 68,079.48 is: 102,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,270.34 : 186,428.76 = 68,079.48 : x
  2. Step 2: Convert to fraction form
    124,270.34/186,428.76 = 68,079.48/x
  3. Step 3: Cross multiply
    124,270.34x = 186,428.76 × 68,079.48
  4. Step 4: Simplify right side
    124,270.34x = 12,691,973,037.84
  5. Step 5: Solve for x
    x = 12,691,973,037.84/124,270.34
  6. Step 6: Final answer
    x = 102,131.96

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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.