Home / 120,964.36-181,501.61-61,769.56

Finding the Fourth Proportional to 120,964.36, 181,501.61 and 61,769.56

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Solution

The fourth proportional to 120,964.36, 181,501.61 and 61,769.56 is: 92,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.36 : 181,501.61 = 61,769.56 : x
  2. Step 2: Convert to fraction form
    120,964.36/181,501.61 = 61,769.56/x
  3. Step 3: Cross multiply
    120,964.36x = 181,501.61 × 61,769.56
  4. Step 4: Simplify right side
    120,964.36x = 11,211,273,681.48
  5. Step 5: Solve for x
    x = 11,211,273,681.48/120,964.36
  6. Step 6: Final answer
    x = 92,682.46

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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.