Home / 158,893.16-219,310.74-90,949.52

Finding the Fourth Proportional to 158,893.16, 219,310.74 and 90,949.52

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Solution

The fourth proportional to 158,893.16, 219,310.74 and 90,949.52 is: 125,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,893.16 : 219,310.74 = 90,949.52 : x
  2. Step 2: Convert to fraction form
    158,893.16/219,310.74 = 90,949.52/x
  3. Step 3: Cross multiply
    158,893.16x = 219,310.74 × 90,949.52
  4. Step 4: Simplify right side
    158,893.16x = 19,946,206,533.84
  5. Step 5: Solve for x
    x = 19,946,206,533.84/158,893.16
  6. Step 6: Final answer
    x = 125,532.19

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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.