Home / 280,101.14-386,537.79-159,242.46

Finding the Fourth Proportional to 280,101.14, 386,537.79 and 159,242.46

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Solution

The fourth proportional to 280,101.14, 386,537.79 and 159,242.46 is: 219,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,101.14 : 386,537.79 = 159,242.46 : x
  2. Step 2: Convert to fraction form
    280,101.14/386,537.79 = 159,242.46/x
  3. Step 3: Cross multiply
    280,101.14x = 386,537.79 × 159,242.46
  4. Step 4: Simplify right side
    280,101.14x = 61,553,228,562.56
  5. Step 5: Solve for x
    x = 61,553,228,562.56/280,101.14
  6. Step 6: Final answer
    x = 219,753.58

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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.