Home / 104,440.10-156,660.15-102,712.10

Finding the Fourth Proportional to 104,440.10, 156,660.15 and 102,712.10

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Solution

The fourth proportional to 104,440.10, 156,660.15 and 102,712.10 is: 154,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,440.10 : 156,660.15 = 102,712.10 : x
  2. Step 2: Convert to fraction form
    104,440.10/156,660.15 = 102,712.10/x
  3. Step 3: Cross multiply
    104,440.10x = 156,660.15 × 102,712.10
  4. Step 4: Simplify right side
    104,440.10x = 16,090,892,992.82
  5. Step 5: Solve for x
    x = 16,090,892,992.82/104,440.10
  6. Step 6: Final answer
    x = 154,068.15

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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.