Home / 141,275.37-194,970.95-80,864.97

Finding the Fourth Proportional to 141,275.37, 194,970.95 and 80,864.97

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Solution

The fourth proportional to 141,275.37, 194,970.95 and 80,864.97 is: 111,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,275.37 : 194,970.95 = 80,864.97 : x
  2. Step 2: Convert to fraction form
    141,275.37/194,970.95 = 80,864.97/x
  3. Step 3: Cross multiply
    141,275.37x = 194,970.95 × 80,864.97
  4. Step 4: Simplify right side
    141,275.37x = 15,766,319,618.30
  5. Step 5: Solve for x
    x = 15,766,319,618.30/141,275.37
  6. Step 6: Final answer
    x = 111,599.92

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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.