Home / 141,258.98-194,951.10-80,838.24

Finding the Fourth Proportional to 141,258.98, 194,951.10 and 80,838.24

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Solution

The fourth proportional to 141,258.98, 194,951.10 and 80,838.24 is: 111,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,258.98 : 194,951.10 = 80,838.24 : x
  2. Step 2: Convert to fraction form
    141,258.98/194,951.10 = 80,838.24/x
  3. Step 3: Cross multiply
    141,258.98x = 194,951.10 × 80,838.24
  4. Step 4: Simplify right side
    141,258.98x = 15,759,503,810.06
  5. Step 5: Solve for x
    x = 15,759,503,810.06/141,258.98
  6. Step 6: Final answer
    x = 111,564.62

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1.5x scale

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.