Home / 283,827.66-391,673.79-156,503.22

Finding the Fourth Proportional to 283,827.66, 391,673.79 and 156,503.22

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Solution

The fourth proportional to 283,827.66, 391,673.79 and 156,503.22 is: 215,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,827.66 : 391,673.79 = 156,503.22 : x
  2. Step 2: Convert to fraction form
    283,827.66/391,673.79 = 156,503.22/x
  3. Step 3: Cross multiply
    283,827.66x = 391,673.79 × 156,503.22
  4. Step 4: Simplify right side
    283,827.66x = 61,298,209,324.60
  5. Step 5: Solve for x
    x = 61,298,209,324.60/283,827.66
  6. Step 6: Final answer
    x = 215,969.82

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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.