Home / 148,576.68-205,049.76-84,902.04

Finding the Fourth Proportional to 148,576.68, 205,049.76 and 84,902.04

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Solution

The fourth proportional to 148,576.68, 205,049.76 and 84,902.04 is: 117,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,576.68 : 205,049.76 = 84,902.04 : x
  2. Step 2: Convert to fraction form
    148,576.68/205,049.76 = 84,902.04/x
  3. Step 3: Cross multiply
    148,576.68x = 205,049.76 × 84,902.04
  4. Step 4: Simplify right side
    148,576.68x = 17,409,142,925.51
  5. Step 5: Solve for x
    x = 17,409,142,925.51/148,576.68
  6. Step 6: Final answer
    x = 117,172.78

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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.