Home / 222,011.17-306,399.15-136,027.22

Finding the Fourth Proportional to 222,011.17, 306,399.15 and 136,027.22

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Solution

The fourth proportional to 222,011.17, 306,399.15 and 136,027.22 is: 187,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,011.17 : 306,399.15 = 136,027.22 : x
  2. Step 2: Convert to fraction form
    222,011.17/306,399.15 = 136,027.22/x
  3. Step 3: Cross multiply
    222,011.17x = 306,399.15 × 136,027.22
  4. Step 4: Simplify right side
    222,011.17x = 41,678,623,052.87
  5. Step 5: Solve for x
    x = 41,678,623,052.87/222,011.17
  6. Step 6: Final answer
    x = 187,732.10

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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.