Home / 106,172.34-159,253.20-39,607.26

Finding the Fourth Proportional to 106,172.34, 159,253.20 and 39,607.26

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Solution

The fourth proportional to 106,172.34, 159,253.20 and 39,607.26 is: 59,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,172.34 : 159,253.20 = 39,607.26 : x
  2. Step 2: Convert to fraction form
    106,172.34/159,253.20 = 39,607.26/x
  3. Step 3: Cross multiply
    106,172.34x = 159,253.20 × 39,607.26
  4. Step 4: Simplify right side
    106,172.34x = 6,307,582,898.23
  5. Step 5: Solve for x
    x = 6,307,582,898.23/106,172.34
  6. Step 6: Final answer
    x = 59,408.91

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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.