Home / 107,231.10-160,664.31-69,733.86

Finding the Fourth Proportional to 107,231.10, 160,664.31 and 69,733.86

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Solution

The fourth proportional to 107,231.10, 160,664.31 and 69,733.86 is: 104,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,231.10 : 160,664.31 = 69,733.86 : x
  2. Step 2: Convert to fraction form
    107,231.10/160,664.31 = 69,733.86/x
  3. Step 3: Cross multiply
    107,231.10x = 160,664.31 × 69,733.86
  4. Step 4: Simplify right side
    107,231.10x = 11,203,742,500.54
  5. Step 5: Solve for x
    x = 11,203,742,500.54/107,231.10
  6. Step 6: Final answer
    x = 104,482.21

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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.