Home / 347,622.06-521,630.16-187,695.90

Finding the Fourth Proportional to 347,622.06, 521,630.16 and 187,695.90

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Solution

The fourth proportional to 347,622.06, 521,630.16 and 187,695.90 is: 281,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,622.06 : 521,630.16 = 187,695.90 : x
  2. Step 2: Convert to fraction form
    347,622.06/521,630.16 = 187,695.90/x
  3. Step 3: Cross multiply
    347,622.06x = 521,630.16 × 187,695.90
  4. Step 4: Simplify right side
    347,622.06x = 97,907,842,348.34
  5. Step 5: Solve for x
    x = 97,907,842,348.34/347,622.06
  6. Step 6: Final answer
    x = 281,650.26

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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.