Home / 198,286.18-273,533.56-126,590.85

Finding the Fourth Proportional to 198,286.18, 273,533.56 and 126,590.85

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Solution

The fourth proportional to 198,286.18, 273,533.56 and 126,590.85 is: 174,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,286.18 : 273,533.56 = 126,590.85 : x
  2. Step 2: Convert to fraction form
    198,286.18/273,533.56 = 126,590.85/x
  3. Step 3: Cross multiply
    198,286.18x = 273,533.56 × 126,590.85
  4. Step 4: Simplify right side
    198,286.18x = 34,626,845,547.45
  5. Step 5: Solve for x
    x = 34,626,845,547.45/198,286.18
  6. Step 6: Final answer
    x = 174,630.66

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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.