Home / 353,118.02-487,292.72-200,170.35

Finding the Fourth Proportional to 353,118.02, 487,292.72 and 200,170.35

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Solution

The fourth proportional to 353,118.02, 487,292.72 and 200,170.35 is: 276,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,118.02 : 487,292.72 = 200,170.35 : x
  2. Step 2: Convert to fraction form
    353,118.02/487,292.72 = 200,170.35/x
  3. Step 3: Cross multiply
    353,118.02x = 487,292.72 × 200,170.35
  4. Step 4: Simplify right side
    353,118.02x = 97,541,553,314.00
  5. Step 5: Solve for x
    x = 97,541,553,314.00/353,118.02
  6. Step 6: Final answer
    x = 276,229.33

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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.