Home / 353,150.50-487,239.96-200,164.18

Finding the Fourth Proportional to 353,150.50, 487,239.96 and 200,164.18

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Solution

The fourth proportional to 353,150.50, 487,239.96 and 200,164.18 is: 276,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,150.50 : 487,239.96 = 200,164.18 : x
  2. Step 2: Convert to fraction form
    353,150.50/487,239.96 = 200,164.18/x
  3. Step 3: Cross multiply
    353,150.50x = 487,239.96 × 200,164.18
  4. Step 4: Simplify right side
    353,150.50x = 97,527,987,056.63
  5. Step 5: Solve for x
    x = 97,527,987,056.63/353,150.50
  6. Step 6: Final answer
    x = 276,165.51

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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.