Home / 231,522.06-349,018.30-216,090.86

Finding the Fourth Proportional to 231,522.06, 349,018.30 and 216,090.86

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Solution

The fourth proportional to 231,522.06, 349,018.30 and 216,090.86 is: 325,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,522.06 : 349,018.30 = 216,090.86 : x
  2. Step 2: Convert to fraction form
    231,522.06/349,018.30 = 216,090.86/x
  3. Step 3: Cross multiply
    231,522.06x = 349,018.30 × 216,090.86
  4. Step 4: Simplify right side
    231,522.06x = 75,419,664,602.74
  5. Step 5: Solve for x
    x = 75,419,664,602.74/231,522.06
  6. Step 6: Final answer
    x = 325,755.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.