Home / 172,788.36-238,446.90-97,361.16

Finding the Fourth Proportional to 172,788.36, 238,446.90 and 97,361.16

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Solution

The fourth proportional to 172,788.36, 238,446.90 and 97,361.16 is: 134,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,788.36 : 238,446.90 = 97,361.16 : x
  2. Step 2: Convert to fraction form
    172,788.36/238,446.90 = 97,361.16/x
  3. Step 3: Cross multiply
    172,788.36x = 238,446.90 × 97,361.16
  4. Step 4: Simplify right side
    172,788.36x = 23,215,466,782.40
  5. Step 5: Solve for x
    x = 23,215,466,782.40/172,788.36
  6. Step 6: Final answer
    x = 134,357.82

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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.