Home / 231,120.90-346,508.55-97,892.10

Finding the Fourth Proportional to 231,120.90, 346,508.55 and 97,892.10

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Solution

The fourth proportional to 231,120.90, 346,508.55 and 97,892.10 is: 146,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,120.90 : 346,508.55 = 97,892.10 : x
  2. Step 2: Convert to fraction form
    231,120.90/346,508.55 = 97,892.10/x
  3. Step 3: Cross multiply
    231,120.90x = 346,508.55 × 97,892.10
  4. Step 4: Simplify right side
    231,120.90x = 33,920,449,627.46
  5. Step 5: Solve for x
    x = 33,920,449,627.46/231,120.90
  6. Step 6: Final answer
    x = 146,764.96

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1.5x scale

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.