Home / 343,729.28-515,555.72-107,052.16

Finding the Fourth Proportional to 343,729.28, 515,555.72 and 107,052.16

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Solution

The fourth proportional to 343,729.28, 515,555.72 and 107,052.16 is: 160,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,729.28 : 515,555.72 = 107,052.16 : x
  2. Step 2: Convert to fraction form
    343,729.28/515,555.72 = 107,052.16/x
  3. Step 3: Cross multiply
    343,729.28x = 515,555.72 × 107,052.16
  4. Step 4: Simplify right side
    343,729.28x = 55,191,353,426.36
  5. Step 5: Solve for x
    x = 55,191,353,426.36/343,729.28
  6. Step 6: Final answer
    x = 160,566.34

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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.