Home / 198,686.01-274,189.95-108,043.77

Finding the Fourth Proportional to 198,686.01, 274,189.95 and 108,043.77

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Solution

The fourth proportional to 198,686.01, 274,189.95 and 108,043.77 is: 149,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,686.01 : 274,189.95 = 108,043.77 : x
  2. Step 2: Convert to fraction form
    198,686.01/274,189.95 = 108,043.77/x
  3. Step 3: Cross multiply
    198,686.01x = 274,189.95 × 108,043.77
  4. Step 4: Simplify right side
    198,686.01x = 29,624,515,894.11
  5. Step 5: Solve for x
    x = 29,624,515,894.11/198,686.01
  6. Step 6: Final answer
    x = 149,102.17

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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.