Home / 102,564.10-153,846.15-92,722.60

Finding the Fourth Proportional to 102,564.10, 153,846.15 and 92,722.60

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Solution

The fourth proportional to 102,564.10, 153,846.15 and 92,722.60 is: 139,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,564.10 : 153,846.15 = 92,722.60 : x
  2. Step 2: Convert to fraction form
    102,564.10/153,846.15 = 92,722.60/x
  3. Step 3: Cross multiply
    102,564.10x = 153,846.15 × 92,722.60
  4. Step 4: Simplify right side
    102,564.10x = 14,265,015,027.99
  5. Step 5: Solve for x
    x = 14,265,015,027.99/102,564.10
  6. Step 6: Final answer
    x = 139,083.90

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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.