Home / 141,482.08-195,245.20-77,824.16

Finding the Fourth Proportional to 141,482.08, 195,245.20 and 77,824.16

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Solution

The fourth proportional to 141,482.08, 195,245.20 and 77,824.16 is: 107,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,482.08 : 195,245.20 = 77,824.16 : x
  2. Step 2: Convert to fraction form
    141,482.08/195,245.20 = 77,824.16/x
  3. Step 3: Cross multiply
    141,482.08x = 195,245.20 × 77,824.16
  4. Step 4: Simplify right side
    141,482.08x = 15,194,793,684.03
  5. Step 5: Solve for x
    x = 15,194,793,684.03/141,482.08
  6. Step 6: Final answer
    x = 107,397.30

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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.