Home / 382,066.15-527,251.37-212,300.28

Finding the Fourth Proportional to 382,066.15, 527,251.37 and 212,300.28

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Solution

The fourth proportional to 382,066.15, 527,251.37 and 212,300.28 is: 292,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,066.15 : 527,251.37 = 212,300.28 : x
  2. Step 2: Convert to fraction form
    382,066.15/527,251.37 = 212,300.28/x
  3. Step 3: Cross multiply
    382,066.15x = 527,251.37 × 212,300.28
  4. Step 4: Simplify right side
    382,066.15x = 111,935,609,783.63
  5. Step 5: Solve for x
    x = 111,935,609,783.63/382,066.15
  6. Step 6: Final answer
    x = 292,974.42

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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.