Home / 121,280.56-181,855.23-41,294.68

Finding the Fourth Proportional to 121,280.56, 181,855.23 and 41,294.68

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Solution

The fourth proportional to 121,280.56, 181,855.23 and 41,294.68 is: 61,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280.56 : 181,855.23 = 41,294.68 : x
  2. Step 2: Convert to fraction form
    121,280.56/181,855.23 = 41,294.68/x
  3. Step 3: Cross multiply
    121,280.56x = 181,855.23 × 41,294.68
  4. Step 4: Simplify right side
    121,280.56x = 7,509,653,529.18
  5. Step 5: Solve for x
    x = 7,509,653,529.18/121,280.56
  6. Step 6: Final answer
    x = 61,919.68

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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.