Home / 265,343.17-398,013.86-107,571.25

Finding the Fourth Proportional to 265,343.17, 398,013.86 and 107,571.25

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Solution

The fourth proportional to 265,343.17, 398,013.86 and 107,571.25 is: 161,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,343.17 : 398,013.86 = 107,571.25 : x
  2. Step 2: Convert to fraction form
    265,343.17/398,013.86 = 107,571.25/x
  3. Step 3: Cross multiply
    265,343.17x = 398,013.86 × 107,571.25
  4. Step 4: Simplify right side
    265,343.17x = 42,814,847,899.67
  5. Step 5: Solve for x
    x = 42,814,847,899.67/265,343.17
  6. Step 6: Final answer
    x = 161,356.51

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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.