Home / 353,119.02-487,294.09-200,171.35

Finding the Fourth Proportional to 353,119.02, 487,294.09 and 200,171.35

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Solution

The fourth proportional to 353,119.02, 487,294.09 and 200,171.35 is: 276,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,119.02 : 487,294.09 = 200,171.35 : x
  2. Step 2: Convert to fraction form
    353,119.02/487,294.09 = 200,171.35/x
  3. Step 3: Cross multiply
    353,119.02x = 487,294.09 × 200,171.35
  4. Step 4: Simplify right side
    353,119.02x = 97,542,315,842.32
  5. Step 5: Solve for x
    x = 97,542,315,842.32/353,119.02
  6. Step 6: Final answer
    x = 276,230.70

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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.