Home / 132,899.81-183,395.07-75,531.55

Finding the Fourth Proportional to 132,899.81, 183,395.07 and 75,531.55

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Solution

The fourth proportional to 132,899.81, 183,395.07 and 75,531.55 is: 104,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899.81 : 183,395.07 = 75,531.55 : x
  2. Step 2: Convert to fraction form
    132,899.81/183,395.07 = 75,531.55/x
  3. Step 3: Cross multiply
    132,899.81x = 183,395.07 × 75,531.55
  4. Step 4: Simplify right side
    132,899.81x = 13,852,113,629.80
  5. Step 5: Solve for x
    x = 13,852,113,629.80/132,899.81
  6. Step 6: Final answer
    x = 104,229.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.