Home / 157,398.45-217,185.03-88,474.32

Finding the Fourth Proportional to 157,398.45, 217,185.03 and 88,474.32

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Solution

The fourth proportional to 157,398.45, 217,185.03 and 88,474.32 is: 122,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,398.45 : 217,185.03 = 88,474.32 : x
  2. Step 2: Convert to fraction form
    157,398.45/217,185.03 = 88,474.32/x
  3. Step 3: Cross multiply
    157,398.45x = 217,185.03 × 88,474.32
  4. Step 4: Simplify right side
    157,398.45x = 19,215,297,843.43
  5. Step 5: Solve for x
    x = 19,215,297,843.43/157,398.45
  6. Step 6: Final answer
    x = 122,080.60

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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.