Home / 132,853.26-183,233.82-85,111.05

Finding the Fourth Proportional to 132,853.26, 183,233.82 and 85,111.05

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Solution

The fourth proportional to 132,853.26, 183,233.82 and 85,111.05 is: 117,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,853.26 : 183,233.82 = 85,111.05 : x
  2. Step 2: Convert to fraction form
    132,853.26/183,233.82 = 85,111.05/x
  3. Step 3: Cross multiply
    132,853.26x = 183,233.82 × 85,111.05
  4. Step 4: Simplify right side
    132,853.26x = 15,595,222,815.71
  5. Step 5: Solve for x
    x = 15,595,222,815.71/132,853.26
  6. Step 6: Final answer
    x = 117,386.83

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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.