Home / 154,538.84-231,841.42-47,920.51

Finding the Fourth Proportional to 154,538.84, 231,841.42 and 47,920.51

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Solution

The fourth proportional to 154,538.84, 231,841.42 and 47,920.51 is: 71,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,538.84 : 231,841.42 = 47,920.51 : x
  2. Step 2: Convert to fraction form
    154,538.84/231,841.42 = 47,920.51/x
  3. Step 3: Cross multiply
    154,538.84x = 231,841.42 × 47,920.51
  4. Step 4: Simplify right side
    154,538.84x = 11,109,959,869.66
  5. Step 5: Solve for x
    x = 11,109,959,869.66/154,538.84
  6. Step 6: Final answer
    x = 71,891.05

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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.