Home / 344,478.12-516,438.36-107,698.92

Finding the Fourth Proportional to 344,478.12, 516,438.36 and 107,698.92

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Solution

The fourth proportional to 344,478.12, 516,438.36 and 107,698.92 is: 161,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,478.12 : 516,438.36 = 107,698.92 : x
  2. Step 2: Convert to fraction form
    344,478.12/516,438.36 = 107,698.92/x
  3. Step 3: Cross multiply
    344,478.12x = 516,438.36 × 107,698.92
  4. Step 4: Simplify right side
    344,478.12x = 55,619,853,618.57
  5. Step 5: Solve for x
    x = 55,619,853,618.57/344,478.12
  6. Step 6: Final answer
    x = 161,461.21

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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.