Home / 172,787.36-238,445.52-97,360.16

Finding the Fourth Proportional to 172,787.36, 238,445.52 and 97,360.16

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Solution

The fourth proportional to 172,787.36, 238,445.52 and 97,360.16 is: 134,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,787.36 : 238,445.52 = 97,360.16 : x
  2. Step 2: Convert to fraction form
    172,787.36/238,445.52 = 97,360.16/x
  3. Step 3: Cross multiply
    172,787.36x = 238,445.52 × 97,360.16
  4. Step 4: Simplify right side
    172,787.36x = 23,215,093,978.48
  5. Step 5: Solve for x
    x = 23,215,093,978.48/172,787.36
  6. Step 6: Final answer
    x = 134,356.44

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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.