Home / 230,496.27-318,083.54-128,522.95

Finding the Fourth Proportional to 230,496.27, 318,083.54 and 128,522.95

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Solution

The fourth proportional to 230,496.27, 318,083.54 and 128,522.95 is: 177,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,496.27 : 318,083.54 = 128,522.95 : x
  2. Step 2: Convert to fraction form
    230,496.27/318,083.54 = 128,522.95/x
  3. Step 3: Cross multiply
    230,496.27x = 318,083.54 × 128,522.95
  4. Step 4: Simplify right side
    230,496.27x = 40,881,035,023.70
  5. Step 5: Solve for x
    x = 40,881,035,023.70/230,496.27
  6. Step 6: Final answer
    x = 177,360.94

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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.