Home / 211,039.56-291,234.66-115,552.32

Finding the Fourth Proportional to 211,039.56, 291,234.66 and 115,552.32

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Solution

The fourth proportional to 211,039.56, 291,234.66 and 115,552.32 is: 159,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,039.56 : 291,234.66 = 115,552.32 : x
  2. Step 2: Convert to fraction form
    211,039.56/291,234.66 = 115,552.32/x
  3. Step 3: Cross multiply
    211,039.56x = 291,234.66 × 115,552.32
  4. Step 4: Simplify right side
    211,039.56x = 33,652,840,627.41
  5. Step 5: Solve for x
    x = 33,652,840,627.41/211,039.56
  6. Step 6: Final answer
    x = 159,462.24

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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.