Home / 198,141.40-297,233.70-191,920.60

Finding the Fourth Proportional to 198,141.40, 297,233.70 and 191,920.60

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Solution

The fourth proportional to 198,141.40, 297,233.70 and 191,920.60 is: 287,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,141.40 : 297,233.70 = 191,920.60 : x
  2. Step 2: Convert to fraction form
    198,141.40/297,233.70 = 191,920.60/x
  3. Step 3: Cross multiply
    198,141.40x = 297,233.70 × 191,920.60
  4. Step 4: Simplify right side
    198,141.40x = 57,045,270,044.22
  5. Step 5: Solve for x
    x = 57,045,270,044.22/198,141.40
  6. Step 6: Final answer
    x = 287,901.82

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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.