Home / 353,581.08-487,952.88-200,625.72

Finding the Fourth Proportional to 353,581.08, 487,952.88 and 200,625.72

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Solution

The fourth proportional to 353,581.08, 487,952.88 and 200,625.72 is: 276,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,581.08 : 487,952.88 = 200,625.72 : x
  2. Step 2: Convert to fraction form
    353,581.08/487,952.88 = 200,625.72/x
  3. Step 3: Cross multiply
    353,581.08x = 487,952.88 × 200,625.72
  4. Step 4: Simplify right side
    353,581.08x = 97,895,897,876.07
  5. Step 5: Solve for x
    x = 97,895,897,876.07/353,581.08
  6. Step 6: Final answer
    x = 276,869.73

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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.