Home / 198,535.58-274,042.95-127,107.98

Finding the Fourth Proportional to 198,535.58, 274,042.95 and 127,107.98

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Solution

The fourth proportional to 198,535.58, 274,042.95 and 127,107.98 is: 175,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,535.58 : 274,042.95 = 127,107.98 : x
  2. Step 2: Convert to fraction form
    198,535.58/274,042.95 = 127,107.98/x
  3. Step 3: Cross multiply
    198,535.58x = 274,042.95 × 127,107.98
  4. Step 4: Simplify right side
    198,535.58x = 34,833,045,807.74
  5. Step 5: Solve for x
    x = 34,833,045,807.74/198,535.58
  6. Step 6: Final answer
    x = 175,449.89

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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.