Home / 156,101.70-234,152.20-120,614.58

Finding the Fourth Proportional to 156,101.70, 234,152.20 and 120,614.58

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Solution

The fourth proportional to 156,101.70, 234,152.20 and 120,614.58 is: 180,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,101.70 : 234,152.20 = 120,614.58 : x
  2. Step 2: Convert to fraction form
    156,101.70/234,152.20 = 120,614.58/x
  3. Step 3: Cross multiply
    156,101.70x = 234,152.20 × 120,614.58
  4. Step 4: Simplify right side
    156,101.70x = 28,242,169,259.08
  5. Step 5: Solve for x
    x = 28,242,169,259.08/156,101.70
  6. Step 6: Final answer
    x = 180,921.60

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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.