Home / 283,495.77-391,224.08-156,171.33

Finding the Fourth Proportional to 283,495.77, 391,224.08 and 156,171.33

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Solution

The fourth proportional to 283,495.77, 391,224.08 and 156,171.33 is: 215,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,495.77 : 391,224.08 = 156,171.33 : x
  2. Step 2: Convert to fraction form
    283,495.77/391,224.08 = 156,171.33/x
  3. Step 3: Cross multiply
    283,495.77x = 391,224.08 × 156,171.33
  4. Step 4: Simplify right side
    283,495.77x = 61,097,985,292.05
  5. Step 5: Solve for x
    x = 61,097,985,292.05/283,495.77
  6. Step 6: Final answer
    x = 215,516.39

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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.