Home / 409,100.22-564,657.75-236,990.34

Finding the Fourth Proportional to 409,100.22, 564,657.75 and 236,990.34

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Solution

The fourth proportional to 409,100.22, 564,657.75 and 236,990.34 is: 327,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,100.22 : 564,657.75 = 236,990.34 : x
  2. Step 2: Convert to fraction form
    409,100.22/564,657.75 = 236,990.34/x
  3. Step 3: Cross multiply
    409,100.22x = 564,657.75 × 236,990.34
  4. Step 4: Simplify right side
    409,100.22x = 133,818,432,156.14
  5. Step 5: Solve for x
    x = 133,818,432,156.14/409,100.22
  6. Step 6: Final answer
    x = 327,104.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.