Home / 251,826.56-347,416.53-149,831.63

Finding the Fourth Proportional to 251,826.56, 347,416.53 and 149,831.63

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Solution

The fourth proportional to 251,826.56, 347,416.53 and 149,831.63 is: 206,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,826.56 : 347,416.53 = 149,831.63 : x
  2. Step 2: Convert to fraction form
    251,826.56/347,416.53 = 149,831.63/x
  3. Step 3: Cross multiply
    251,826.56x = 347,416.53 × 149,831.63
  4. Step 4: Simplify right side
    251,826.56x = 52,053,984,978.84
  5. Step 5: Solve for x
    x = 52,053,984,978.84/251,826.56
  6. Step 6: Final answer
    x = 206,705.70

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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.