Home / 131,602.62-197,280.57-64,119.90

Finding the Fourth Proportional to 131,602.62, 197,280.57 and 64,119.90

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Solution

The fourth proportional to 131,602.62, 197,280.57 and 64,119.90 is: 96,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,602.62 : 197,280.57 = 64,119.90 : x
  2. Step 2: Convert to fraction form
    131,602.62/197,280.57 = 64,119.90/x
  3. Step 3: Cross multiply
    131,602.62x = 197,280.57 × 64,119.90
  4. Step 4: Simplify right side
    131,602.62x = 12,649,610,420.34
  5. Step 5: Solve for x
    x = 12,649,610,420.34/131,602.62
  6. Step 6: Final answer
    x = 96,119.75

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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.