Home / 172,872.48-238,560.84-97,421.04

Finding the Fourth Proportional to 172,872.48, 238,560.84 and 97,421.04

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Solution

The fourth proportional to 172,872.48, 238,560.84 and 97,421.04 is: 134,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,872.48 : 238,560.84 = 97,421.04 : x
  2. Step 2: Convert to fraction form
    172,872.48/238,560.84 = 97,421.04/x
  3. Step 3: Cross multiply
    172,872.48x = 238,560.84 × 97,421.04
  4. Step 4: Simplify right side
    172,872.48x = 23,240,845,136.07
  5. Step 5: Solve for x
    x = 23,240,845,136.07/172,872.48
  6. Step 6: Final answer
    x = 134,439.24

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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.