Home / 131,850.48-197,832.36-87,492.72

Finding the Fourth Proportional to 131,850.48, 197,832.36 and 87,492.72

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Solution

The fourth proportional to 131,850.48, 197,832.36 and 87,492.72 is: 131,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,850.48 : 197,832.36 = 87,492.72 : x
  2. Step 2: Convert to fraction form
    131,850.48/197,832.36 = 87,492.72/x
  3. Step 3: Cross multiply
    131,850.48x = 197,832.36 × 87,492.72
  4. Step 4: Simplify right side
    131,850.48x = 17,308,891,280.42
  5. Step 5: Solve for x
    x = 17,308,891,280.42/131,850.48
  6. Step 6: Final answer
    x = 131,276.66

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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.