Home / 116,345.46-174,780.63-69,631.14

Finding the Fourth Proportional to 116,345.46, 174,780.63 and 69,631.14

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Solution

The fourth proportional to 116,345.46, 174,780.63 and 69,631.14 is: 104,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,345.46 : 174,780.63 = 69,631.14 : x
  2. Step 2: Convert to fraction form
    116,345.46/174,780.63 = 69,631.14/x
  3. Step 3: Cross multiply
    116,345.46x = 174,780.63 × 69,631.14
  4. Step 4: Simplify right side
    116,345.46x = 12,170,174,516.82
  5. Step 5: Solve for x
    x = 12,170,174,516.82/116,345.46
  6. Step 6: Final answer
    x = 104,603.78

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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.