Home / 136,639.50-205,065.09-94,813.26

Finding the Fourth Proportional to 136,639.50, 205,065.09 and 94,813.26

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Solution

The fourth proportional to 136,639.50, 205,065.09 and 94,813.26 is: 142,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,639.50 : 205,065.09 = 94,813.26 : x
  2. Step 2: Convert to fraction form
    136,639.50/205,065.09 = 94,813.26/x
  3. Step 3: Cross multiply
    136,639.50x = 205,065.09 × 94,813.26
  4. Step 4: Simplify right side
    136,639.50x = 19,442,889,695.09
  5. Step 5: Solve for x
    x = 19,442,889,695.09/136,639.50
  6. Step 6: Final answer
    x = 142,293.33

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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.