Home / 195,877.80-270,307.50-114,221.28

Finding the Fourth Proportional to 195,877.80, 270,307.50 and 114,221.28

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Solution

The fourth proportional to 195,877.80, 270,307.50 and 114,221.28 is: 157,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,877.80 : 270,307.50 = 114,221.28 : x
  2. Step 2: Convert to fraction form
    195,877.80/270,307.50 = 114,221.28/x
  3. Step 3: Cross multiply
    195,877.80x = 270,307.50 × 114,221.28
  4. Step 4: Simplify right side
    195,877.80x = 30,874,868,643.60
  5. Step 5: Solve for x
    x = 30,874,868,643.60/195,877.80
  6. Step 6: Final answer
    x = 157,623.11

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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.