Home / 371,822.32-557,621.70-105,604.48

Finding the Fourth Proportional to 371,822.32, 557,621.70 and 105,604.48

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Solution

The fourth proportional to 371,822.32, 557,621.70 and 105,604.48 is: 158,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,822.32 : 557,621.70 = 105,604.48 : x
  2. Step 2: Convert to fraction form
    371,822.32/557,621.70 = 105,604.48/x
  3. Step 3: Cross multiply
    371,822.32x = 557,621.70 × 105,604.48
  4. Step 4: Simplify right side
    371,822.32x = 58,887,349,665.22
  5. Step 5: Solve for x
    x = 58,887,349,665.22/371,822.32
  6. Step 6: Final answer
    x = 158,374.97

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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.