Home / 236,021.40-353,513.70-142,363.80

Finding the Fourth Proportional to 236,021.40, 353,513.70 and 142,363.80

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Solution

The fourth proportional to 236,021.40, 353,513.70 and 142,363.80 is: 213,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,021.40 : 353,513.70 = 142,363.80 : x
  2. Step 2: Convert to fraction form
    236,021.40/353,513.70 = 142,363.80/x
  3. Step 3: Cross multiply
    236,021.40x = 353,513.70 × 142,363.80
  4. Step 4: Simplify right side
    236,021.40x = 50,327,553,684.06
  5. Step 5: Solve for x
    x = 50,327,553,684.06/236,021.40
  6. Step 6: Final answer
    x = 213,233.01

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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.