Home / 283,518.90-391,273.74-156,194.46

Finding the Fourth Proportional to 283,518.90, 391,273.74 and 156,194.46

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Solution

The fourth proportional to 283,518.90, 391,273.74 and 156,194.46 is: 215,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,518.90 : 391,273.74 = 156,194.46 : x
  2. Step 2: Convert to fraction form
    283,518.90/391,273.74 = 156,194.46/x
  3. Step 3: Cross multiply
    283,518.90x = 391,273.74 × 156,194.46
  4. Step 4: Simplify right side
    283,518.90x = 61,114,790,531.48
  5. Step 5: Solve for x
    x = 61,114,790,531.48/283,518.90
  6. Step 6: Final answer
    x = 215,558.08

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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.