Home / 121,251.42-181,764.63-61,956.36

Finding the Fourth Proportional to 121,251.42, 181,764.63 and 61,956.36

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Solution

The fourth proportional to 121,251.42, 181,764.63 and 61,956.36 is: 92,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,251.42 : 181,764.63 = 61,956.36 : x
  2. Step 2: Convert to fraction form
    121,251.42/181,764.63 = 61,956.36/x
  3. Step 3: Cross multiply
    121,251.42x = 181,764.63 × 61,956.36
  4. Step 4: Simplify right side
    121,251.42x = 11,261,474,851.55
  5. Step 5: Solve for x
    x = 11,261,474,851.55/121,251.42
  6. Step 6: Final answer
    x = 92,877.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.