Home / 198,187.26-297,326.30-85,886.34

Finding the Fourth Proportional to 198,187.26, 297,326.30 and 85,886.34

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Solution

The fourth proportional to 198,187.26, 297,326.30 and 85,886.34 is: 128,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,187.26 : 297,326.30 = 85,886.34 : x
  2. Step 2: Convert to fraction form
    198,187.26/297,326.30 = 85,886.34/x
  3. Step 3: Cross multiply
    198,187.26x = 297,326.30 × 85,886.34
  4. Step 4: Simplify right side
    198,187.26x = 25,536,267,692.74
  5. Step 5: Solve for x
    x = 25,536,267,692.74/198,187.26
  6. Step 6: Final answer
    x = 128,849.19

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1.5x scale

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.