Home / 104,416.10-156,624.15-102,688.10

Finding the Fourth Proportional to 104,416.10, 156,624.15 and 102,688.10

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Solution

The fourth proportional to 104,416.10, 156,624.15 and 102,688.10 is: 154,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,416.10 : 156,624.15 = 102,688.10 : x
  2. Step 2: Convert to fraction form
    104,416.10/156,624.15 = 102,688.10/x
  3. Step 3: Cross multiply
    104,416.10x = 156,624.15 × 102,688.10
  4. Step 4: Simplify right side
    104,416.10x = 16,083,436,377.62
  5. Step 5: Solve for x
    x = 16,083,436,377.62/104,416.10
  6. Step 6: Final answer
    x = 154,032.15

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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.