Home / 154,201.80-212,786.64-93,764.16

Finding the Fourth Proportional to 154,201.80, 212,786.64 and 93,764.16

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Solution

The fourth proportional to 154,201.80, 212,786.64 and 93,764.16 is: 129,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,201.80 : 212,786.64 = 93,764.16 : x
  2. Step 2: Convert to fraction form
    154,201.80/212,786.64 = 93,764.16/x
  3. Step 3: Cross multiply
    154,201.80x = 212,786.64 × 93,764.16
  4. Step 4: Simplify right side
    154,201.80x = 19,951,760,558.82
  5. Step 5: Solve for x
    x = 19,951,760,558.82/154,201.80
  6. Step 6: Final answer
    x = 129,387.34

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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.