Home / 154,357.22-231,533.40-49,175.48

Finding the Fourth Proportional to 154,357.22, 231,533.40 and 49,175.48

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Solution

The fourth proportional to 154,357.22, 231,533.40 and 49,175.48 is: 73,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,357.22 : 231,533.40 = 49,175.48 : x
  2. Step 2: Convert to fraction form
    154,357.22/231,533.40 = 49,175.48/x
  3. Step 3: Cross multiply
    154,357.22x = 231,533.40 × 49,175.48
  4. Step 4: Simplify right side
    154,357.22x = 11,385,766,081.03
  5. Step 5: Solve for x
    x = 11,385,766,081.03/154,357.22
  6. Step 6: Final answer
    x = 73,762.45

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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.