Home / 156,901.42-236,205.83-142,951.06

Finding the Fourth Proportional to 156,901.42, 236,205.83 and 142,951.06

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Solution

The fourth proportional to 156,901.42, 236,205.83 and 142,951.06 is: 215,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,901.42 : 236,205.83 = 142,951.06 : x
  2. Step 2: Convert to fraction form
    156,901.42/236,205.83 = 142,951.06/x
  3. Step 3: Cross multiply
    156,901.42x = 236,205.83 × 142,951.06
  4. Step 4: Simplify right side
    156,901.42x = 33,765,873,776.68
  5. Step 5: Solve for x
    x = 33,765,873,776.68/156,901.42
  6. Step 6: Final answer
    x = 215,204.39

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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.