Home / 104,689.24-156,670.98-100,334.68

Finding the Fourth Proportional to 104,689.24, 156,670.98 and 100,334.68

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Solution

The fourth proportional to 104,689.24, 156,670.98 and 100,334.68 is: 150,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,689.24 : 156,670.98 = 100,334.68 : x
  2. Step 2: Convert to fraction form
    104,689.24/156,670.98 = 100,334.68/x
  3. Step 3: Cross multiply
    104,689.24x = 156,670.98 × 100,334.68
  4. Step 4: Simplify right side
    104,689.24x = 15,719,532,643.59
  5. Step 5: Solve for x
    x = 15,719,532,643.59/104,689.24
  6. Step 6: Final answer
    x = 150,154.23

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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.