Home / 283,627.88-391,409.06-156,308.04

Finding the Fourth Proportional to 283,627.88, 391,409.06 and 156,308.04

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Solution

The fourth proportional to 283,627.88, 391,409.06 and 156,308.04 is: 215,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,627.88 : 391,409.06 = 156,308.04 : x
  2. Step 2: Convert to fraction form
    283,627.88/391,409.06 = 156,308.04/x
  3. Step 3: Cross multiply
    283,627.88x = 391,409.06 × 156,308.04
  4. Step 4: Simplify right side
    283,627.88x = 61,180,383,006.84
  5. Step 5: Solve for x
    x = 61,180,383,006.84/283,627.88
  6. Step 6: Final answer
    x = 215,706.52

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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.