Home / 165,516.56-248,247.04-47,159.76

Finding the Fourth Proportional to 165,516.56, 248,247.04 and 47,159.76

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Solution

The fourth proportional to 165,516.56, 248,247.04 and 47,159.76 is: 70,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,516.56 : 248,247.04 = 47,159.76 : x
  2. Step 2: Convert to fraction form
    165,516.56/248,247.04 = 47,159.76/x
  3. Step 3: Cross multiply
    165,516.56x = 248,247.04 × 47,159.76
  4. Step 4: Simplify right side
    165,516.56x = 11,707,270,709.21
  5. Step 5: Solve for x
    x = 11,707,270,709.21/165,516.56
  6. Step 6: Final answer
    x = 70,731.72

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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.