Home / 248,701.83-343,208.41-135,524.58

Finding the Fourth Proportional to 248,701.83, 343,208.41 and 135,524.58

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Solution

The fourth proportional to 248,701.83, 343,208.41 and 135,524.58 is: 187,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,701.83 : 343,208.41 = 135,524.58 : x
  2. Step 2: Convert to fraction form
    248,701.83/343,208.41 = 135,524.58/x
  3. Step 3: Cross multiply
    248,701.83x = 343,208.41 × 135,524.58
  4. Step 4: Simplify right side
    248,701.83x = 46,513,175,617.72
  5. Step 5: Solve for x
    x = 46,513,175,617.72/248,701.83
  6. Step 6: Final answer
    x = 187,023.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.