Home / 150,019.15-207,023.30-82,035.35

Finding the Fourth Proportional to 150,019.15, 207,023.30 and 82,035.35

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Solution

The fourth proportional to 150,019.15, 207,023.30 and 82,035.35 is: 113,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,019.15 : 207,023.30 = 82,035.35 : x
  2. Step 2: Convert to fraction form
    150,019.15/207,023.30 = 82,035.35/x
  3. Step 3: Cross multiply
    150,019.15x = 207,023.30 × 82,035.35
  4. Step 4: Simplify right side
    150,019.15x = 16,983,228,463.48
  5. Step 5: Solve for x
    x = 16,983,228,463.48/150,019.15
  6. Step 6: Final answer
    x = 113,207.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.