Home / 198,753.51-274,254.89-134,362.82

Finding the Fourth Proportional to 198,753.51, 274,254.89 and 134,362.82

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Solution

The fourth proportional to 198,753.51, 274,254.89 and 134,362.82 is: 185,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,753.51 : 274,254.89 = 134,362.82 : x
  2. Step 2: Convert to fraction form
    198,753.51/274,254.89 = 134,362.82/x
  3. Step 3: Cross multiply
    198,753.51x = 274,254.89 × 134,362.82
  4. Step 4: Simplify right side
    198,753.51x = 36,849,658,376.10
  5. Step 5: Solve for x
    x = 36,849,658,376.10/198,753.51
  6. Step 6: Final answer
    x = 185,403.81

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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.