Home / 343,725.28-515,549.72-107,048.16

Finding the Fourth Proportional to 343,725.28, 515,549.72 and 107,048.16

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Solution

The fourth proportional to 343,725.28, 515,549.72 and 107,048.16 is: 160,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,725.28 : 515,549.72 = 107,048.16 : x
  2. Step 2: Convert to fraction form
    343,725.28/515,549.72 = 107,048.16/x
  3. Step 3: Cross multiply
    343,725.28x = 515,549.72 × 107,048.16
  4. Step 4: Simplify right side
    343,725.28x = 55,188,648,914.52
  5. Step 5: Solve for x
    x = 55,188,648,914.52/343,725.28
  6. Step 6: Final answer
    x = 160,560.34

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1.5x scale

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.