Home / 283,827.40-391,661.80-156,500.26

Finding the Fourth Proportional to 283,827.40, 391,661.80 and 156,500.26

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Solution

The fourth proportional to 283,827.40, 391,661.80 and 156,500.26 is: 215,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,827.40 : 391,661.80 = 156,500.26 : x
  2. Step 2: Convert to fraction form
    283,827.40/391,661.80 = 156,500.26/x
  3. Step 3: Cross multiply
    283,827.40x = 391,661.80 × 156,500.26
  4. Step 4: Simplify right side
    283,827.40x = 61,295,172,161.66
  5. Step 5: Solve for x
    x = 61,295,172,161.66/283,827.40
  6. Step 6: Final answer
    x = 215,959.32

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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.