Home / 198,972.48-274,565.28-114,070.08

Finding the Fourth Proportional to 198,972.48, 274,565.28 and 114,070.08

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Solution

The fourth proportional to 198,972.48, 274,565.28 and 114,070.08 is: 157,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,972.48 : 274,565.28 = 114,070.08 : x
  2. Step 2: Convert to fraction form
    198,972.48/274,565.28 = 114,070.08/x
  3. Step 3: Cross multiply
    198,972.48x = 274,565.28 × 114,070.08
  4. Step 4: Simplify right side
    198,972.48x = 31,319,683,454.82
  5. Step 5: Solve for x
    x = 31,319,683,454.82/198,972.48
  6. Step 6: Final answer
    x = 157,407.11

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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.