Home / 222,147.80-306,565.46-136,106.94

Finding the Fourth Proportional to 222,147.80, 306,565.46 and 136,106.94

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Solution

The fourth proportional to 222,147.80, 306,565.46 and 136,106.94 is: 187,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,147.80 : 306,565.46 = 136,106.94 : x
  2. Step 2: Convert to fraction form
    222,147.80/306,565.46 = 136,106.94/x
  3. Step 3: Cross multiply
    222,147.80x = 306,565.46 × 136,106.94
  4. Step 4: Simplify right side
    222,147.80x = 41,725,686,670.29
  5. Step 5: Solve for x
    x = 41,725,686,670.29/222,147.80
  6. Step 6: Final answer
    x = 187,828.49

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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.