Home / 141,436.98-195,181.38-77,770.98

Finding the Fourth Proportional to 141,436.98, 195,181.38 and 77,770.98

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Solution

The fourth proportional to 141,436.98, 195,181.38 and 77,770.98 is: 107,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,436.98 : 195,181.38 = 77,770.98 : x
  2. Step 2: Convert to fraction form
    141,436.98/195,181.38 = 77,770.98/x
  3. Step 3: Cross multiply
    141,436.98x = 195,181.38 × 77,770.98
  4. Step 4: Simplify right side
    141,436.98x = 15,179,447,200.35
  5. Step 5: Solve for x
    x = 15,179,447,200.35/141,436.98
  6. Step 6: Final answer
    x = 107,323.04

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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.