Home / 153,928.20-230,892.30-54,103.80

Finding the Fourth Proportional to 153,928.20, 230,892.30 and 54,103.80

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Solution

The fourth proportional to 153,928.20, 230,892.30 and 54,103.80 is: 81,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,928.20 : 230,892.30 = 54,103.80 : x
  2. Step 2: Convert to fraction form
    153,928.20/230,892.30 = 54,103.80/x
  3. Step 3: Cross multiply
    153,928.20x = 230,892.30 × 54,103.80
  4. Step 4: Simplify right side
    153,928.20x = 12,492,150,820.74
  5. Step 5: Solve for x
    x = 12,492,150,820.74/153,928.20
  6. Step 6: Final answer
    x = 81,155.70

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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.