Home / 173,129.10-259,730.10-54,812.40

Finding the Fourth Proportional to 173,129.10, 259,730.10 and 54,812.40

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Solution

The fourth proportional to 173,129.10, 259,730.10 and 54,812.40 is: 82,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,129.10 : 259,730.10 = 54,812.40 : x
  2. Step 2: Convert to fraction form
    173,129.10/259,730.10 = 54,812.40/x
  3. Step 3: Cross multiply
    173,129.10x = 259,730.10 × 54,812.40
  4. Step 4: Simplify right side
    173,129.10x = 14,236,430,133.24
  5. Step 5: Solve for x
    x = 14,236,430,133.24/173,129.10
  6. Step 6: Final answer
    x = 82,230.14

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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.