Home / 233,019.36-349,418.61-81,163.49

Finding the Fourth Proportional to 233,019.36, 349,418.61 and 81,163.49

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Solution

The fourth proportional to 233,019.36, 349,418.61 and 81,163.49 is: 121,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,019.36 : 349,418.61 = 81,163.49 : x
  2. Step 2: Convert to fraction form
    233,019.36/349,418.61 = 81,163.49/x
  3. Step 3: Cross multiply
    233,019.36x = 349,418.61 × 81,163.49
  4. Step 4: Simplify right side
    233,019.36x = 28,360,032,111.46
  5. Step 5: Solve for x
    x = 28,360,032,111.46/233,019.36
  6. Step 6: Final answer
    x = 121,706.76

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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.