Home / 158,852.06-219,217.36-87,233.58

Finding the Fourth Proportional to 158,852.06, 219,217.36 and 87,233.58

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Solution

The fourth proportional to 158,852.06, 219,217.36 and 87,233.58 is: 120,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,852.06 : 219,217.36 = 87,233.58 : x
  2. Step 2: Convert to fraction form
    158,852.06/219,217.36 = 87,233.58/x
  3. Step 3: Cross multiply
    158,852.06x = 219,217.36 × 87,233.58
  4. Step 4: Simplify right side
    158,852.06x = 19,123,115,110.95
  5. Step 5: Solve for x
    x = 19,123,115,110.95/158,852.06
  6. Step 6: Final answer
    x = 120,383.17

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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.