Home / 122,778.32-184,166.80-31,593.65

Finding the Fourth Proportional to 122,778.32, 184,166.80 and 31,593.65

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Solution

The fourth proportional to 122,778.32, 184,166.80 and 31,593.65 is: 47,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,778.32 : 184,166.80 = 31,593.65 : x
  2. Step 2: Convert to fraction form
    122,778.32/184,166.80 = 31,593.65/x
  3. Step 3: Cross multiply
    122,778.32x = 184,166.80 × 31,593.65
  4. Step 4: Simplify right side
    122,778.32x = 5,818,500,421.00
  5. Step 5: Solve for x
    x = 5,818,500,421.00/122,778.32
  6. Step 6: Final answer
    x = 47,390.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.