Home / 247,192.48-341,143.10-139,763.56

Finding the Fourth Proportional to 247,192.48, 341,143.10 and 139,763.56

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Solution

The fourth proportional to 247,192.48, 341,143.10 and 139,763.56 is: 192,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,192.48 : 341,143.10 = 139,763.56 : x
  2. Step 2: Convert to fraction form
    247,192.48/341,143.10 = 139,763.56/x
  3. Step 3: Cross multiply
    247,192.48x = 341,143.10 × 139,763.56
  4. Step 4: Simplify right side
    247,192.48x = 47,679,374,125.44
  5. Step 5: Solve for x
    x = 47,679,374,125.44/247,192.48
  6. Step 6: Final answer
    x = 192,883.59

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1.5x scale

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.