Home / 157,297.54-235,506.69-84,991.45

Finding the Fourth Proportional to 157,297.54, 235,506.69 and 84,991.45

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Solution

The fourth proportional to 157,297.54, 235,506.69 and 84,991.45 is: 127,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,297.54 : 235,506.69 = 84,991.45 : x
  2. Step 2: Convert to fraction form
    157,297.54/235,506.69 = 84,991.45/x
  3. Step 3: Cross multiply
    157,297.54x = 235,506.69 × 84,991.45
  4. Step 4: Simplify right side
    157,297.54x = 20,016,055,067.80
  5. Step 5: Solve for x
    x = 20,016,055,067.80/157,297.54
  6. Step 6: Final answer
    x = 127,249.64

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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.