Home / 209,560.28-314,337.36-51,788.74

Finding the Fourth Proportional to 209,560.28, 314,337.36 and 51,788.74

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Solution

The fourth proportional to 209,560.28, 314,337.36 and 51,788.74 is: 77,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,560.28 : 314,337.36 = 51,788.74 : x
  2. Step 2: Convert to fraction form
    209,560.28/314,337.36 = 51,788.74/x
  3. Step 3: Cross multiply
    209,560.28x = 314,337.36 × 51,788.74
  4. Step 4: Simplify right side
    209,560.28x = 16,279,135,809.33
  5. Step 5: Solve for x
    x = 16,279,135,809.33/209,560.28
  6. Step 6: Final answer
    x = 77,682.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.