Home / 198,532.08-274,038.12-127,104.48

Finding the Fourth Proportional to 198,532.08, 274,038.12 and 127,104.48

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Solution

The fourth proportional to 198,532.08, 274,038.12 and 127,104.48 is: 175,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,532.08 : 274,038.12 = 127,104.48 : x
  2. Step 2: Convert to fraction form
    198,532.08/274,038.12 = 127,104.48/x
  3. Step 3: Cross multiply
    198,532.08x = 274,038.12 × 127,104.48
  4. Step 4: Simplify right side
    198,532.08x = 34,831,472,742.78
  5. Step 5: Solve for x
    x = 34,831,472,742.78/198,532.08
  6. Step 6: Final answer
    x = 175,445.06

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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.