Home / 156,783.83-236,221.70-141,808.19

Finding the Fourth Proportional to 156,783.83, 236,221.70 and 141,808.19

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Solution

The fourth proportional to 156,783.83, 236,221.70 and 141,808.19 is: 213,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.83 : 236,221.70 = 141,808.19 : x
  2. Step 2: Convert to fraction form
    156,783.83/236,221.70 = 141,808.19/x
  3. Step 3: Cross multiply
    156,783.83x = 236,221.70 × 141,808.19
  4. Step 4: Simplify right side
    156,783.83x = 33,498,169,825.57
  5. Step 5: Solve for x
    x = 33,498,169,825.57/156,783.83
  6. Step 6: Final answer
    x = 213,658.33

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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.