Home / 198,367.14-273,610.80-126,715.35

Finding the Fourth Proportional to 198,367.14, 273,610.80 and 126,715.35

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Solution

The fourth proportional to 198,367.14, 273,610.80 and 126,715.35 is: 174,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,367.14 : 273,610.80 = 126,715.35 : x
  2. Step 2: Convert to fraction form
    198,367.14/273,610.80 = 126,715.35/x
  3. Step 3: Cross multiply
    198,367.14x = 273,610.80 × 126,715.35
  4. Step 4: Simplify right side
    198,367.14x = 34,670,688,285.78
  5. Step 5: Solve for x
    x = 34,670,688,285.78/198,367.14
  6. Step 6: Final answer
    x = 174,780.40

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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.