Home / 158,955.39-219,358.26-87,335.24

Finding the Fourth Proportional to 158,955.39, 219,358.26 and 87,335.24

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Solution

The fourth proportional to 158,955.39, 219,358.26 and 87,335.24 is: 120,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,955.39 : 219,358.26 = 87,335.24 : x
  2. Step 2: Convert to fraction form
    158,955.39/219,358.26 = 87,335.24/x
  3. Step 3: Cross multiply
    158,955.39x = 219,358.26 × 87,335.24
  4. Step 4: Simplify right side
    158,955.39x = 19,157,705,186.29
  5. Step 5: Solve for x
    x = 19,157,705,186.29/158,955.39
  6. Step 6: Final answer
    x = 120,522.53

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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.