Home / 172,848.78-259,095.24-66,203.82

Finding the Fourth Proportional to 172,848.78, 259,095.24 and 66,203.82

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Solution

The fourth proportional to 172,848.78, 259,095.24 and 66,203.82 is: 99,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,848.78 : 259,095.24 = 66,203.82 : x
  2. Step 2: Convert to fraction form
    172,848.78/259,095.24 = 66,203.82/x
  3. Step 3: Cross multiply
    172,848.78x = 259,095.24 × 66,203.82
  4. Step 4: Simplify right side
    172,848.78x = 17,153,094,631.82
  5. Step 5: Solve for x
    x = 17,153,094,631.82/172,848.78
  6. Step 6: Final answer
    x = 99,237.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.