Home / 153,867.20-230,800.80-109,252.40

Finding the Fourth Proportional to 153,867.20, 230,800.80 and 109,252.40

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Solution

The fourth proportional to 153,867.20, 230,800.80 and 109,252.40 is: 163,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,867.20 : 230,800.80 = 109,252.40 : x
  2. Step 2: Convert to fraction form
    153,867.20/230,800.80 = 109,252.40/x
  3. Step 3: Cross multiply
    153,867.20x = 230,800.80 × 109,252.40
  4. Step 4: Simplify right side
    153,867.20x = 25,215,541,321.92
  5. Step 5: Solve for x
    x = 25,215,541,321.92/153,867.20
  6. Step 6: Final answer
    x = 163,878.60

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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.