Home / 172,977.20-238,720.20-96,510.08

Finding the Fourth Proportional to 172,977.20, 238,720.20 and 96,510.08

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Solution

The fourth proportional to 172,977.20, 238,720.20 and 96,510.08 is: 133,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,977.20 : 238,720.20 = 96,510.08 : x
  2. Step 2: Convert to fraction form
    172,977.20/238,720.20 = 96,510.08/x
  3. Step 3: Cross multiply
    172,977.20x = 238,720.20 × 96,510.08
  4. Step 4: Simplify right side
    172,977.20x = 23,038,905,599.62
  5. Step 5: Solve for x
    x = 23,038,905,599.62/172,977.20
  6. Step 6: Final answer
    x = 133,190.42

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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.