Home / 157,399.24-217,186.30-88,475.06

Finding the Fourth Proportional to 157,399.24, 217,186.30 and 88,475.06

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Solution

The fourth proportional to 157,399.24, 217,186.30 and 88,475.06 is: 122,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,399.24 : 217,186.30 = 88,475.06 : x
  2. Step 2: Convert to fraction form
    157,399.24/217,186.30 = 88,475.06/x
  3. Step 3: Cross multiply
    157,399.24x = 217,186.30 × 88,475.06
  4. Step 4: Simplify right side
    157,399.24x = 19,215,570,923.68
  5. Step 5: Solve for x
    x = 19,215,570,923.68/157,399.24
  6. Step 6: Final answer
    x = 122,081.73

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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.