Home / 343,731.28-515,558.72-107,054.16

Finding the Fourth Proportional to 343,731.28, 515,558.72 and 107,054.16

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Solution

The fourth proportional to 343,731.28, 515,558.72 and 107,054.16 is: 160,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,731.28 : 515,558.72 = 107,054.16 : x
  2. Step 2: Convert to fraction form
    343,731.28/515,558.72 = 107,054.16/x
  3. Step 3: Cross multiply
    343,731.28x = 515,558.72 × 107,054.16
  4. Step 4: Simplify right side
    343,731.28x = 55,192,705,700.28
  5. Step 5: Solve for x
    x = 55,192,705,700.28/343,731.28
  6. Step 6: Final answer
    x = 160,569.34

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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.