Home / 286,554.34-395,437.14-159,226.66

Finding the Fourth Proportional to 286,554.34, 395,437.14 and 159,226.66

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Solution

The fourth proportional to 286,554.34, 395,437.14 and 159,226.66 is: 219,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,554.34 : 395,437.14 = 159,226.66 : x
  2. Step 2: Convert to fraction form
    286,554.34/395,437.14 = 159,226.66/x
  3. Step 3: Cross multiply
    286,554.34x = 395,437.14 × 159,226.66
  4. Step 4: Simplify right side
    286,554.34x = 62,964,135,042.15
  5. Step 5: Solve for x
    x = 62,964,135,042.15/286,554.34
  6. Step 6: Final answer
    x = 219,728.43

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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.