Home / 158,863.60-219,334.40-98,498.36

Finding the Fourth Proportional to 158,863.60, 219,334.40 and 98,498.36

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Solution

The fourth proportional to 158,863.60, 219,334.40 and 98,498.36 is: 135,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,863.60 : 219,334.40 = 98,498.36 : x
  2. Step 2: Convert to fraction form
    158,863.60/219,334.40 = 98,498.36/x
  3. Step 3: Cross multiply
    158,863.60x = 219,334.40 × 98,498.36
  4. Step 4: Simplify right side
    158,863.60x = 21,604,078,691.58
  5. Step 5: Solve for x
    x = 21,604,078,691.58/158,863.60
  6. Step 6: Final answer
    x = 135,991.37

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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.