Home / 347,151.06-520,539.48-187,312.68

Finding the Fourth Proportional to 347,151.06, 520,539.48 and 187,312.68

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Solution

The fourth proportional to 347,151.06, 520,539.48 and 187,312.68 is: 280,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,151.06 : 520,539.48 = 187,312.68 : x
  2. Step 2: Convert to fraction form
    347,151.06/520,539.48 = 187,312.68/x
  3. Step 3: Cross multiply
    347,151.06x = 520,539.48 × 187,312.68
  4. Step 4: Simplify right side
    347,151.06x = 97,503,645,044.61
  5. Step 5: Solve for x
    x = 97,503,645,044.61/347,151.06
  6. Step 6: Final answer
    x = 280,868.06

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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.