Home / 198,113.04-296,712-119,053.08

Finding the Fourth Proportional to 198,113.04, 296,712 and 119,053.08

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Solution

The fourth proportional to 198,113.04, 296,712 and 119,053.08 is: 178,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,113.04 : 296,712 = 119,053.08 : x
  2. Step 2: Convert to fraction form
    198,113.04/296,712 = 119,053.08/x
  3. Step 3: Cross multiply
    198,113.04x = 296,712 × 119,053.08
  4. Step 4: Simplify right side
    198,113.04x = 35,324,477,472.96
  5. Step 5: Solve for x
    x = 35,324,477,472.96/198,113.04
  6. Step 6: Final answer
    x = 178,304.66

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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.