Home / 198,877.81-274,463.63-114,007.63

Finding the Fourth Proportional to 198,877.81, 274,463.63 and 114,007.63

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Solution

The fourth proportional to 198,877.81, 274,463.63 and 114,007.63 is: 157,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,877.81 : 274,463.63 = 114,007.63 : x
  2. Step 2: Convert to fraction form
    198,877.81/274,463.63 = 114,007.63/x
  3. Step 3: Cross multiply
    198,877.81x = 274,463.63 × 114,007.63
  4. Step 4: Simplify right side
    198,877.81x = 31,290,947,407.46
  5. Step 5: Solve for x
    x = 31,290,947,407.46/198,877.81
  6. Step 6: Final answer
    x = 157,337.55

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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.