Home / 366,778.13-506,155.18-213,921.86

Finding the Fourth Proportional to 366,778.13, 506,155.18 and 213,921.86

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Solution

The fourth proportional to 366,778.13, 506,155.18 and 213,921.86 is: 295,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,778.13 : 506,155.18 = 213,921.86 : x
  2. Step 2: Convert to fraction form
    366,778.13/506,155.18 = 213,921.86/x
  3. Step 3: Cross multiply
    366,778.13x = 506,155.18 × 213,921.86
  4. Step 4: Simplify right side
    366,778.13x = 108,277,657,736.88
  5. Step 5: Solve for x
    x = 108,277,657,736.88/366,778.13
  6. Step 6: Final answer
    x = 295,212.96

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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.