Home / 198,576.32-274,030.44-113,686.16

Finding the Fourth Proportional to 198,576.32, 274,030.44 and 113,686.16

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Solution

The fourth proportional to 198,576.32, 274,030.44 and 113,686.16 is: 156,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,576.32 : 274,030.44 = 113,686.16 : x
  2. Step 2: Convert to fraction form
    198,576.32/274,030.44 = 113,686.16/x
  3. Step 3: Cross multiply
    198,576.32x = 274,030.44 × 113,686.16
  4. Step 4: Simplify right side
    198,576.32x = 31,153,468,446.71
  5. Step 5: Solve for x
    x = 31,153,468,446.71/198,576.32
  6. Step 6: Final answer
    x = 156,884.11

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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.