Home / 121,175.51-181,765.69-32,428.87

Finding the Fourth Proportional to 121,175.51, 181,765.69 and 32,428.87

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Solution

The fourth proportional to 121,175.51, 181,765.69 and 32,428.87 is: 48,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,175.51 : 181,765.69 = 32,428.87 : x
  2. Step 2: Convert to fraction form
    121,175.51/181,765.69 = 32,428.87/x
  3. Step 3: Cross multiply
    121,175.51x = 181,765.69 × 32,428.87
  4. Step 4: Simplify right side
    121,175.51x = 5,894,455,395.98
  5. Step 5: Solve for x
    x = 5,894,455,395.98/121,175.51
  6. Step 6: Final answer
    x = 48,643.95

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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.