Home / 211,243.50-291,516.03-115,753.83

Finding the Fourth Proportional to 211,243.50, 291,516.03 and 115,753.83

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Solution

The fourth proportional to 211,243.50, 291,516.03 and 115,753.83 is: 159,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,243.50 : 291,516.03 = 115,753.83 : x
  2. Step 2: Convert to fraction form
    211,243.50/291,516.03 = 115,753.83/x
  3. Step 3: Cross multiply
    211,243.50x = 291,516.03 × 115,753.83
  4. Step 4: Simplify right side
    211,243.50x = 33,744,096,978.89
  5. Step 5: Solve for x
    x = 33,744,096,978.89/211,243.50
  6. Step 6: Final answer
    x = 159,740.29

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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.