Home / 198,673.00-274,162.95-112,639.93

Finding the Fourth Proportional to 198,673.00, 274,162.95 and 112,639.93

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Solution

The fourth proportional to 198,673.00, 274,162.95 and 112,639.93 is: 155,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,673.00 : 274,162.95 = 112,639.93 : x
  2. Step 2: Convert to fraction form
    198,673.00/274,162.95 = 112,639.93/x
  3. Step 3: Cross multiply
    198,673.00x = 274,162.95 × 112,639.93
  4. Step 4: Simplify right side
    198,673.00x = 30,881,694,811.19
  5. Step 5: Solve for x
    x = 30,881,694,811.19/198,673.00
  6. Step 6: Final answer
    x = 155,439.82

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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.