Home / 109,514.20-164,271.30-74,522.20

Finding the Fourth Proportional to 109,514.20, 164,271.30 and 74,522.20

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Solution

The fourth proportional to 109,514.20, 164,271.30 and 74,522.20 is: 111,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,514.20 : 164,271.30 = 74,522.20 : x
  2. Step 2: Convert to fraction form
    109,514.20/164,271.30 = 74,522.20/x
  3. Step 3: Cross multiply
    109,514.20x = 164,271.30 × 74,522.20
  4. Step 4: Simplify right side
    109,514.20x = 12,241,858,672.86
  5. Step 5: Solve for x
    x = 12,241,858,672.86/109,514.20
  6. Step 6: Final answer
    x = 111,783.30

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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.