Home / 155,785.20-233,677.80-154,863.60

Finding the Fourth Proportional to 155,785.20, 233,677.80 and 154,863.60

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Solution

The fourth proportional to 155,785.20, 233,677.80 and 154,863.60 is: 232,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,785.20 : 233,677.80 = 154,863.60 : x
  2. Step 2: Convert to fraction form
    155,785.20/233,677.80 = 154,863.60/x
  3. Step 3: Cross multiply
    155,785.20x = 233,677.80 × 154,863.60
  4. Step 4: Simplify right side
    155,785.20x = 36,188,185,348.08
  5. Step 5: Solve for x
    x = 36,188,185,348.08/155,785.20
  6. Step 6: Final answer
    x = 232,295.40

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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.