Home / 283,546.45-391,293.86-156,222.04

Finding the Fourth Proportional to 283,546.45, 391,293.86 and 156,222.04

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Solution

The fourth proportional to 283,546.45, 391,293.86 and 156,222.04 is: 215,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,546.45 : 391,293.86 = 156,222.04 : x
  2. Step 2: Convert to fraction form
    283,546.45/391,293.86 = 156,222.04/x
  3. Step 3: Cross multiply
    283,546.45x = 391,293.86 × 156,222.04
  4. Step 4: Simplify right side
    283,546.45x = 61,128,725,048.67
  5. Step 5: Solve for x
    x = 61,128,725,048.67/283,546.45
  6. Step 6: Final answer
    x = 215,586.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.