Home / 104,323.14-156,490.11-79,402.14

Finding the Fourth Proportional to 104,323.14, 156,490.11 and 79,402.14

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Solution

The fourth proportional to 104,323.14, 156,490.11 and 79,402.14 is: 119,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,323.14 : 156,490.11 = 79,402.14 : x
  2. Step 2: Convert to fraction form
    104,323.14/156,490.11 = 79,402.14/x
  3. Step 3: Cross multiply
    104,323.14x = 156,490.11 × 79,402.14
  4. Step 4: Simplify right side
    104,323.14x = 12,425,649,622.84
  5. Step 5: Solve for x
    x = 12,425,649,622.84/104,323.14
  6. Step 6: Final answer
    x = 119,107.32

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1.5x scale

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.