Home / 283,571.49-391,326.22-156,246.18

Finding the Fourth Proportional to 283,571.49, 391,326.22 and 156,246.18

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Solution

The fourth proportional to 283,571.49, 391,326.22 and 156,246.18 is: 215,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,571.49 : 391,326.22 = 156,246.18 : x
  2. Step 2: Convert to fraction form
    283,571.49/391,326.22 = 156,246.18/x
  3. Step 3: Cross multiply
    283,571.49x = 391,326.22 × 156,246.18
  4. Step 4: Simplify right side
    283,571.49x = 61,143,227,008.84
  5. Step 5: Solve for x
    x = 61,143,227,008.84/283,571.49
  6. Step 6: Final answer
    x = 215,618.39

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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.