Home / 148,812.72-205,275.24-97,834.56

Finding the Fourth Proportional to 148,812.72, 205,275.24 and 97,834.56

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Solution

The fourth proportional to 148,812.72, 205,275.24 and 97,834.56 is: 134,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,812.72 : 205,275.24 = 97,834.56 : x
  2. Step 2: Convert to fraction form
    148,812.72/205,275.24 = 97,834.56/x
  3. Step 3: Cross multiply
    148,812.72x = 205,275.24 × 97,834.56
  4. Step 4: Simplify right side
    148,812.72x = 20,083,012,784.29
  5. Step 5: Solve for x
    x = 20,083,012,784.29/148,812.72
  6. Step 6: Final answer
    x = 134,954.95

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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.