Home / 200,289.62-276,105.21-152,459.66

Finding the Fourth Proportional to 200,289.62, 276,105.21 and 152,459.66

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Solution

The fourth proportional to 200,289.62, 276,105.21 and 152,459.66 is: 210,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,289.62 : 276,105.21 = 152,459.66 : x
  2. Step 2: Convert to fraction form
    200,289.62/276,105.21 = 152,459.66/x
  3. Step 3: Cross multiply
    200,289.62x = 276,105.21 × 152,459.66
  4. Step 4: Simplify right side
    200,289.62x = 42,094,906,440.83
  5. Step 5: Solve for x
    x = 42,094,906,440.83/200,289.62
  6. Step 6: Final answer
    x = 210,170.18

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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.