Home / 220,647.20-331,110.65-94,288.32

Finding the Fourth Proportional to 220,647.20, 331,110.65 and 94,288.32

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Solution

The fourth proportional to 220,647.20, 331,110.65 and 94,288.32 is: 141,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,647.20 : 331,110.65 = 94,288.32 : x
  2. Step 2: Convert to fraction form
    220,647.20/331,110.65 = 94,288.32/x
  3. Step 3: Cross multiply
    220,647.20x = 331,110.65 × 94,288.32
  4. Step 4: Simplify right side
    220,647.20x = 31,219,867,158.33
  5. Step 5: Solve for x
    x = 31,219,867,158.33/220,647.20
  6. Step 6: Final answer
    x = 141,492.25

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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.