Home / 211,050.14-291,234.03-115,541.42

Finding the Fourth Proportional to 211,050.14, 291,234.03 and 115,541.42

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Solution

The fourth proportional to 211,050.14, 291,234.03 and 115,541.42 is: 159,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,050.14 : 291,234.03 = 115,541.42 : x
  2. Step 2: Convert to fraction form
    211,050.14/291,234.03 = 115,541.42/x
  3. Step 3: Cross multiply
    211,050.14x = 291,234.03 × 115,541.42
  4. Step 4: Simplify right side
    211,050.14x = 33,649,593,378.52
  5. Step 5: Solve for x
    x = 33,649,593,378.52/211,050.14
  6. Step 6: Final answer
    x = 159,438.86

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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.