Home / 324,701.03-487,097.30-100,079.63

Finding the Fourth Proportional to 324,701.03, 487,097.30 and 100,079.63

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Solution

The fourth proportional to 324,701.03, 487,097.30 and 100,079.63 is: 150,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,701.03 : 487,097.30 = 100,079.63 : x
  2. Step 2: Convert to fraction form
    324,701.03/487,097.30 = 100,079.63/x
  3. Step 3: Cross multiply
    324,701.03x = 487,097.30 × 100,079.63
  4. Step 4: Simplify right side
    324,701.03x = 48,748,517,057.60
  5. Step 5: Solve for x
    x = 48,748,517,057.60/324,701.03
  6. Step 6: Final answer
    x = 150,133.55

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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.