Home / 350,518.11-483,714.39-189,372.66

Finding the Fourth Proportional to 350,518.11, 483,714.39 and 189,372.66

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Solution

The fourth proportional to 350,518.11, 483,714.39 and 189,372.66 is: 261,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,518.11 : 483,714.39 = 189,372.66 : x
  2. Step 2: Convert to fraction form
    350,518.11/483,714.39 = 189,372.66/x
  3. Step 3: Cross multiply
    350,518.11x = 483,714.39 × 189,372.66
  4. Step 4: Simplify right side
    350,518.11x = 91,602,280,714.58
  5. Step 5: Solve for x
    x = 91,602,280,714.58/350,518.11
  6. Step 6: Final answer
    x = 261,333.95

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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.