Home / 168,442.52-232,451.10-91,961.72

Finding the Fourth Proportional to 168,442.52, 232,451.10 and 91,961.72

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Solution

The fourth proportional to 168,442.52, 232,451.10 and 91,961.72 is: 126,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,442.52 : 232,451.10 = 91,961.72 : x
  2. Step 2: Convert to fraction form
    168,442.52/232,451.10 = 91,961.72/x
  3. Step 3: Cross multiply
    168,442.52x = 232,451.10 × 91,961.72
  4. Step 4: Simplify right side
    168,442.52x = 21,376,602,971.89
  5. Step 5: Solve for x
    x = 21,376,602,971.89/168,442.52
  6. Step 6: Final answer
    x = 126,907.40

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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.