Home / 283,826.16-391,671.72-156,501.72

Finding the Fourth Proportional to 283,826.16, 391,671.72 and 156,501.72

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Solution

The fourth proportional to 283,826.16, 391,671.72 and 156,501.72 is: 215,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,826.16 : 391,671.72 = 156,501.72 : x
  2. Step 2: Convert to fraction form
    283,826.16/391,671.72 = 156,501.72/x
  3. Step 3: Cross multiply
    283,826.16x = 391,671.72 × 156,501.72
  4. Step 4: Simplify right side
    283,826.16x = 61,297,297,855.36
  5. Step 5: Solve for x
    x = 61,297,297,855.36/283,826.16
  6. Step 6: Final answer
    x = 215,967.75

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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.