Home / 132,850.07-183,336.51-81,896.47

Finding the Fourth Proportional to 132,850.07, 183,336.51 and 81,896.47

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Solution

The fourth proportional to 132,850.07, 183,336.51 and 81,896.47 is: 113,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,850.07 : 183,336.51 = 81,896.47 : x
  2. Step 2: Convert to fraction form
    132,850.07/183,336.51 = 81,896.47/x
  3. Step 3: Cross multiply
    132,850.07x = 183,336.51 × 81,896.47
  4. Step 4: Simplify right side
    132,850.07x = 15,014,612,839.89
  5. Step 5: Solve for x
    x = 15,014,612,839.89/132,850.07
  6. Step 6: Final answer
    x = 113,019.23

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1.5x scale

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.