Home / 115,681.23-173,208.80-75,600.36

Finding the Fourth Proportional to 115,681.23, 173,208.80 and 75,600.36

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Solution

The fourth proportional to 115,681.23, 173,208.80 and 75,600.36 is: 113,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,681.23 : 173,208.80 = 75,600.36 : x
  2. Step 2: Convert to fraction form
    115,681.23/173,208.80 = 75,600.36/x
  3. Step 3: Cross multiply
    115,681.23x = 173,208.80 × 75,600.36
  4. Step 4: Simplify right side
    115,681.23x = 13,094,647,824.17
  5. Step 5: Solve for x
    x = 13,094,647,824.17/115,681.23
  6. Step 6: Final answer
    x = 113,195.96

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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.