Home / 203,864.70-306,125.10-154,001.10

Finding the Fourth Proportional to 203,864.70, 306,125.10 and 154,001.10

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Solution

The fourth proportional to 203,864.70, 306,125.10 and 154,001.10 is: 231,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,864.70 : 306,125.10 = 154,001.10 : x
  2. Step 2: Convert to fraction form
    203,864.70/306,125.10 = 154,001.10/x
  3. Step 3: Cross multiply
    203,864.70x = 306,125.10 × 154,001.10
  4. Step 4: Simplify right side
    203,864.70x = 47,143,602,137.61
  5. Step 5: Solve for x
    x = 47,143,602,137.61/203,864.70
  6. Step 6: Final answer
    x = 231,249.46

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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.