Home / 168,467.78-232,731.48-145,767.35

Finding the Fourth Proportional to 168,467.78, 232,731.48 and 145,767.35

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Solution

The fourth proportional to 168,467.78, 232,731.48 and 145,767.35 is: 201,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,467.78 : 232,731.48 = 145,767.35 : x
  2. Step 2: Convert to fraction form
    168,467.78/232,731.48 = 145,767.35/x
  3. Step 3: Cross multiply
    168,467.78x = 232,731.48 × 145,767.35
  4. Step 4: Simplify right side
    168,467.78x = 33,924,651,101.18
  5. Step 5: Solve for x
    x = 33,924,651,101.18/168,467.78
  6. Step 6: Final answer
    x = 201,371.75

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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.