Home / 158,867.82-219,195.72-94,320

Finding the Fourth Proportional to 158,867.82, 219,195.72 and 94,320

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Solution

The fourth proportional to 158,867.82, 219,195.72 and 94,320 is: 130,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,867.82 : 219,195.72 = 94,320 : x
  2. Step 2: Convert to fraction form
    158,867.82/219,195.72 = 94,320/x
  3. Step 3: Cross multiply
    158,867.82x = 219,195.72 × 94,320
  4. Step 4: Simplify right side
    158,867.82x = 20,674,540,310.40
  5. Step 5: Solve for x
    x = 20,674,540,310.40/158,867.82
  6. Step 6: Final answer
    x = 130,136.74

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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.