Home / 198,856.44-298,138.86-93,618

Finding the Fourth Proportional to 198,856.44, 298,138.86 and 93,618

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Solution

The fourth proportional to 198,856.44, 298,138.86 and 93,618 is: 140,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,856.44 : 298,138.86 = 93,618 : x
  2. Step 2: Convert to fraction form
    198,856.44/298,138.86 = 93,618/x
  3. Step 3: Cross multiply
    198,856.44x = 298,138.86 × 93,618
  4. Step 4: Simplify right side
    198,856.44x = 27,911,163,795.48
  5. Step 5: Solve for x
    x = 27,911,163,795.48/198,856.44
  6. Step 6: Final answer
    x = 140,358.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.