Home / 156,679.20-235,057.68-73,476

Finding the Fourth Proportional to 156,679.20, 235,057.68 and 73,476

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Solution

The fourth proportional to 156,679.20, 235,057.68 and 73,476 is: 110,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,679.20 : 235,057.68 = 73,476 : x
  2. Step 2: Convert to fraction form
    156,679.20/235,057.68 = 73,476/x
  3. Step 3: Cross multiply
    156,679.20x = 235,057.68 × 73,476
  4. Step 4: Simplify right side
    156,679.20x = 17,271,098,095.68
  5. Step 5: Solve for x
    x = 17,271,098,095.68/156,679.20
  6. Step 6: Final answer
    x = 110,232.23

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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.