Home / 156,010.60-234,015.90-85,151.80

Finding the Fourth Proportional to 156,010.60, 234,015.90 and 85,151.80

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Solution

The fourth proportional to 156,010.60, 234,015.90 and 85,151.80 is: 127,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,010.60 : 234,015.90 = 85,151.80 : x
  2. Step 2: Convert to fraction form
    156,010.60/234,015.90 = 85,151.80/x
  3. Step 3: Cross multiply
    156,010.60x = 234,015.90 × 85,151.80
  4. Step 4: Simplify right side
    156,010.60x = 19,926,875,113.62
  5. Step 5: Solve for x
    x = 19,926,875,113.62/156,010.60
  6. Step 6: Final answer
    x = 127,727.70

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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.