Home / 353,132.56-487,312.68-200,184.85

Finding the Fourth Proportional to 353,132.56, 487,312.68 and 200,184.85

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Solution

The fourth proportional to 353,132.56, 487,312.68 and 200,184.85 is: 276,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,132.56 : 487,312.68 = 200,184.85 : x
  2. Step 2: Convert to fraction form
    353,132.56/487,312.68 = 200,184.85/x
  3. Step 3: Cross multiply
    353,132.56x = 487,312.68 × 200,184.85
  4. Step 4: Simplify right side
    353,132.56x = 97,552,615,748.90
  5. Step 5: Solve for x
    x = 97,552,615,748.90/353,132.56
  6. Step 6: Final answer
    x = 276,249.28

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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.