Home / 286,195.18-394,967.74-165,341.56

Finding the Fourth Proportional to 286,195.18, 394,967.74 and 165,341.56

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Solution

The fourth proportional to 286,195.18, 394,967.74 and 165,341.56 is: 228,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,195.18 : 394,967.74 = 165,341.56 : x
  2. Step 2: Convert to fraction form
    286,195.18/394,967.74 = 165,341.56/x
  3. Step 3: Cross multiply
    286,195.18x = 394,967.74 × 165,341.56
  4. Step 4: Simplify right side
    286,195.18x = 65,304,582,281.27
  5. Step 5: Solve for x
    x = 65,304,582,281.27/286,195.18
  6. Step 6: Final answer
    x = 228,181.98

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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.