Home / 121,160.44-181,727.69-42,276.16

Finding the Fourth Proportional to 121,160.44, 181,727.69 and 42,276.16

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Solution

The fourth proportional to 121,160.44, 181,727.69 and 42,276.16 is: 63,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,160.44 : 181,727.69 = 42,276.16 : x
  2. Step 2: Convert to fraction form
    121,160.44/181,727.69 = 42,276.16/x
  3. Step 3: Cross multiply
    121,160.44x = 181,727.69 × 42,276.16
  4. Step 4: Simplify right side
    121,160.44x = 7,682,747,990.23
  5. Step 5: Solve for x
    x = 7,682,747,990.23/121,160.44
  6. Step 6: Final answer
    x = 63,409.71

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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.