Home / 198,703.93-274,206.04-112,678.69

Finding the Fourth Proportional to 198,703.93, 274,206.04 and 112,678.69

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Solution

The fourth proportional to 198,703.93, 274,206.04 and 112,678.69 is: 155,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,703.93 : 274,206.04 = 112,678.69 : x
  2. Step 2: Convert to fraction form
    198,703.93/274,206.04 = 112,678.69/x
  3. Step 3: Cross multiply
    198,703.93x = 274,206.04 × 112,678.69
  4. Step 4: Simplify right side
    198,703.93x = 30,897,177,377.29
  5. Step 5: Solve for x
    x = 30,897,177,377.29/198,703.93
  6. Step 6: Final answer
    x = 155,493.54

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1.5x scale

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.