Home / 141,069.27-194,675.05-77,408.13

Finding the Fourth Proportional to 141,069.27, 194,675.05 and 77,408.13

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Solution

The fourth proportional to 141,069.27, 194,675.05 and 77,408.13 is: 106,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.27 : 194,675.05 = 77,408.13 : x
  2. Step 2: Convert to fraction form
    141,069.27/194,675.05 = 77,408.13/x
  3. Step 3: Cross multiply
    141,069.27x = 194,675.05 × 77,408.13
  4. Step 4: Simplify right side
    141,069.27x = 15,069,431,578.16
  5. Step 5: Solve for x
    x = 15,069,431,578.16/141,069.27
  6. Step 6: Final answer
    x = 106,822.92

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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.