Home / 141,632.80-195,381.84-87,949.60

Finding the Fourth Proportional to 141,632.80, 195,381.84 and 87,949.60

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Solution

The fourth proportional to 141,632.80, 195,381.84 and 87,949.60 is: 121,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,632.80 : 195,381.84 = 87,949.60 : x
  2. Step 2: Convert to fraction form
    141,632.80/195,381.84 = 87,949.60/x
  3. Step 3: Cross multiply
    141,632.80x = 195,381.84 × 87,949.60
  4. Step 4: Simplify right side
    141,632.80x = 17,183,754,675.26
  5. Step 5: Solve for x
    x = 17,183,754,675.26/141,632.80
  6. Step 6: Final answer
    x = 121,326.10

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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.