Home / 157,575.46-217,379.10-106,606.12

Finding the Fourth Proportional to 157,575.46, 217,379.10 and 106,606.12

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Solution

The fourth proportional to 157,575.46, 217,379.10 and 106,606.12 is: 147,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,575.46 : 217,379.10 = 106,606.12 : x
  2. Step 2: Convert to fraction form
    157,575.46/217,379.10 = 106,606.12/x
  3. Step 3: Cross multiply
    157,575.46x = 217,379.10 × 106,606.12
  4. Step 4: Simplify right side
    157,575.46x = 23,173,942,420.09
  5. Step 5: Solve for x
    x = 23,173,942,420.09/157,575.46
  6. Step 6: Final answer
    x = 147,065.68

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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.