Home / 283,560.40-391,317.96-156,234.16

Finding the Fourth Proportional to 283,560.40, 391,317.96 and 156,234.16

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Solution

The fourth proportional to 283,560.40, 391,317.96 and 156,234.16 is: 215,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,560.40 : 391,317.96 = 156,234.16 : x
  2. Step 2: Convert to fraction form
    283,560.40/391,317.96 = 156,234.16/x
  3. Step 3: Cross multiply
    283,560.40x = 391,317.96 × 156,234.16
  4. Step 4: Simplify right side
    283,560.40x = 61,137,232,773.51
  5. Step 5: Solve for x
    x = 61,137,232,773.51/283,560.40
  6. Step 6: Final answer
    x = 215,605.68

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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.