Home / 141,575.37-195,373.58-77,913.11

Finding the Fourth Proportional to 141,575.37, 195,373.58 and 77,913.11

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Solution

The fourth proportional to 141,575.37, 195,373.58 and 77,913.11 is: 107,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,575.37 : 195,373.58 = 77,913.11 : x
  2. Step 2: Convert to fraction form
    141,575.37/195,373.58 = 77,913.11/x
  3. Step 3: Cross multiply
    141,575.37x = 195,373.58 × 77,913.11
  4. Step 4: Simplify right side
    141,575.37x = 15,222,163,229.63
  5. Step 5: Solve for x
    x = 15,222,163,229.63/141,575.37
  6. Step 6: Final answer
    x = 107,519.85

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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.