Home / 283,730.00-391,550.03-156,410.15

Finding the Fourth Proportional to 283,730.00, 391,550.03 and 156,410.15

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Solution

The fourth proportional to 283,730.00, 391,550.03 and 156,410.15 is: 215,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,730.00 : 391,550.03 = 156,410.15 : x
  2. Step 2: Convert to fraction form
    283,730.00/391,550.03 = 156,410.15/x
  3. Step 3: Cross multiply
    283,730.00x = 391,550.03 × 156,410.15
  4. Step 4: Simplify right side
    283,730.00x = 61,242,396,185.00
  5. Step 5: Solve for x
    x = 61,242,396,185.00/283,730.00
  6. Step 6: Final answer
    x = 215,847.45

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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.