Home / 154,305.54-231,476.94-54,445.23

Finding the Fourth Proportional to 154,305.54, 231,476.94 and 54,445.23

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Solution

The fourth proportional to 154,305.54, 231,476.94 and 54,445.23 is: 81,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,305.54 : 231,476.94 = 54,445.23 : x
  2. Step 2: Convert to fraction form
    154,305.54/231,476.94 = 54,445.23/x
  3. Step 3: Cross multiply
    154,305.54x = 231,476.94 × 54,445.23
  4. Step 4: Simplify right side
    154,305.54x = 12,602,815,238.00
  5. Step 5: Solve for x
    x = 12,602,815,238.00/154,305.54
  6. Step 6: Final answer
    x = 81,674.42

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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.