Home / 156,684.60-235,026.90-119,359.80

Finding the Fourth Proportional to 156,684.60, 235,026.90 and 119,359.80

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Solution

The fourth proportional to 156,684.60, 235,026.90 and 119,359.80 is: 179,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,684.60 : 235,026.90 = 119,359.80 : x
  2. Step 2: Convert to fraction form
    156,684.60/235,026.90 = 119,359.80/x
  3. Step 3: Cross multiply
    156,684.60x = 235,026.90 × 119,359.80
  4. Step 4: Simplify right side
    156,684.60x = 28,052,763,778.62
  5. Step 5: Solve for x
    x = 28,052,763,778.62/156,684.60
  6. Step 6: Final answer
    x = 179,039.70

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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.