Home / 222,146.80-306,564.08-136,105.94

Finding the Fourth Proportional to 222,146.80, 306,564.08 and 136,105.94

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Solution

The fourth proportional to 222,146.80, 306,564.08 and 136,105.94 is: 187,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,146.80 : 306,564.08 = 136,105.94 : x
  2. Step 2: Convert to fraction form
    222,146.80/306,564.08 = 136,105.94/x
  3. Step 3: Cross multiply
    222,146.80x = 306,564.08 × 136,105.94
  4. Step 4: Simplify right side
    222,146.80x = 41,725,192,364.52
  5. Step 5: Solve for x
    x = 41,725,192,364.52/222,146.80
  6. Step 6: Final answer
    x = 187,827.12

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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.