Home / 157,844.35-217,825.15-85,247.26

Finding the Fourth Proportional to 157,844.35, 217,825.15 and 85,247.26

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Solution

The fourth proportional to 157,844.35, 217,825.15 and 85,247.26 is: 117,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,844.35 : 217,825.15 = 85,247.26 : x
  2. Step 2: Convert to fraction form
    157,844.35/217,825.15 = 85,247.26/x
  3. Step 3: Cross multiply
    157,844.35x = 217,825.15 × 85,247.26
  4. Step 4: Simplify right side
    157,844.35x = 18,568,997,196.59
  5. Step 5: Solve for x
    x = 18,568,997,196.59/157,844.35
  6. Step 6: Final answer
    x = 117,641.19

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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.