Home / 171,223.08-236,513.62-131,428.58

Finding the Fourth Proportional to 171,223.08, 236,513.62 and 131,428.58

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Solution

The fourth proportional to 171,223.08, 236,513.62 and 131,428.58 is: 181,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,223.08 : 236,513.62 = 131,428.58 : x
  2. Step 2: Convert to fraction form
    171,223.08/236,513.62 = 131,428.58/x
  3. Step 3: Cross multiply
    171,223.08x = 236,513.62 × 131,428.58
  4. Step 4: Simplify right side
    171,223.08x = 31,084,649,227.26
  5. Step 5: Solve for x
    x = 31,084,649,227.26/171,223.08
  6. Step 6: Final answer
    x = 181,544.74

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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.