Home / 283,553.67-391,303.75-156,229.23

Finding the Fourth Proportional to 283,553.67, 391,303.75 and 156,229.23

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Solution

The fourth proportional to 283,553.67, 391,303.75 and 156,229.23 is: 215,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,553.67 : 391,303.75 = 156,229.23 : x
  2. Step 2: Convert to fraction form
    283,553.67/391,303.75 = 156,229.23/x
  3. Step 3: Cross multiply
    283,553.67x = 391,303.75 × 156,229.23
  4. Step 4: Simplify right side
    283,553.67x = 61,133,083,558.61
  5. Step 5: Solve for x
    x = 61,133,083,558.61/283,553.67
  6. Step 6: Final answer
    x = 215,596.16

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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.