Home / 156,910.51-236,219.53-142,960.15

Finding the Fourth Proportional to 156,910.51, 236,219.53 and 142,960.15

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Solution

The fourth proportional to 156,910.51, 236,219.53 and 142,960.15 is: 215,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.51 : 236,219.53 = 142,960.15 : x
  2. Step 2: Convert to fraction form
    156,910.51/236,219.53 = 142,960.15/x
  3. Step 3: Cross multiply
    156,910.51x = 236,219.53 × 142,960.15
  4. Step 4: Simplify right side
    156,910.51x = 33,769,979,441.73
  5. Step 5: Solve for x
    x = 33,769,979,441.73/156,910.51
  6. Step 6: Final answer
    x = 215,218.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.