Home / 109,150.20-163,725.30-56,575.80

Finding the Fourth Proportional to 109,150.20, 163,725.30 and 56,575.80

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Solution

The fourth proportional to 109,150.20, 163,725.30 and 56,575.80 is: 84,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,150.20 : 163,725.30 = 56,575.80 : x
  2. Step 2: Convert to fraction form
    109,150.20/163,725.30 = 56,575.80/x
  3. Step 3: Cross multiply
    109,150.20x = 163,725.30 × 56,575.80
  4. Step 4: Simplify right side
    109,150.20x = 9,262,889,827.74
  5. Step 5: Solve for x
    x = 9,262,889,827.74/109,150.20
  6. Step 6: Final answer
    x = 84,863.70

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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.