Home / 158,175.90-218,297.64-94,512.36

Finding the Fourth Proportional to 158,175.90, 218,297.64 and 94,512.36

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Solution

The fourth proportional to 158,175.90, 218,297.64 and 94,512.36 is: 130,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,175.90 : 218,297.64 = 94,512.36 : x
  2. Step 2: Convert to fraction form
    158,175.90/218,297.64 = 94,512.36/x
  3. Step 3: Cross multiply
    158,175.90x = 218,297.64 × 94,512.36
  4. Step 4: Simplify right side
    158,175.90x = 20,631,825,138.83
  5. Step 5: Solve for x
    x = 20,631,825,138.83/158,175.90
  6. Step 6: Final answer
    x = 130,435.96

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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.