Home / 156,010.57-234,014.64-81,092.05

Finding the Fourth Proportional to 156,010.57, 234,014.64 and 81,092.05

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Solution

The fourth proportional to 156,010.57, 234,014.64 and 81,092.05 is: 121,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,010.57 : 234,014.64 = 81,092.05 : x
  2. Step 2: Convert to fraction form
    156,010.57/234,014.64 = 81,092.05/x
  3. Step 3: Cross multiply
    156,010.57x = 234,014.64 × 81,092.05
  4. Step 4: Simplify right side
    156,010.57x = 18,976,726,887.61
  5. Step 5: Solve for x
    x = 18,976,726,887.61/156,010.57
  6. Step 6: Final answer
    x = 121,637.44

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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.