Home / 196,848.28-295,253.70-78,487.96

Finding the Fourth Proportional to 196,848.28, 295,253.70 and 78,487.96

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Solution

The fourth proportional to 196,848.28, 295,253.70 and 78,487.96 is: 117,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,848.28 : 295,253.70 = 78,487.96 : x
  2. Step 2: Convert to fraction form
    196,848.28/295,253.70 = 78,487.96/x
  3. Step 3: Cross multiply
    196,848.28x = 295,253.70 × 78,487.96
  4. Step 4: Simplify right side
    196,848.28x = 23,173,860,595.45
  5. Step 5: Solve for x
    x = 23,173,860,595.45/196,848.28
  6. Step 6: Final answer
    x = 117,724.48

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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.