Home / 141,161.48-194,803.18-77,503.38

Finding the Fourth Proportional to 141,161.48, 194,803.18 and 77,503.38

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Solution

The fourth proportional to 141,161.48, 194,803.18 and 77,503.38 is: 106,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.48 : 194,803.18 = 77,503.38 : x
  2. Step 2: Convert to fraction form
    141,161.48/194,803.18 = 77,503.38/x
  3. Step 3: Cross multiply
    141,161.48x = 194,803.18 × 77,503.38
  4. Step 4: Simplify right side
    141,161.48x = 15,097,904,884.75
  5. Step 5: Solve for x
    x = 15,097,904,884.75/141,161.48
  6. Step 6: Final answer
    x = 106,954.85

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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.