Home / 353,146.50-487,234.44-200,160.18

Finding the Fourth Proportional to 353,146.50, 487,234.44 and 200,160.18

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Solution

The fourth proportional to 353,146.50, 487,234.44 and 200,160.18 is: 276,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,146.50 : 487,234.44 = 200,160.18 : x
  2. Step 2: Convert to fraction form
    353,146.50/487,234.44 = 200,160.18/x
  3. Step 3: Cross multiply
    353,146.50x = 487,234.44 × 200,160.18
  4. Step 4: Simplify right side
    353,146.50x = 97,524,933,212.60
  5. Step 5: Solve for x
    x = 97,524,933,212.60/353,146.50
  6. Step 6: Final answer
    x = 276,159.99

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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.