Home / 119,010.37-178,516.17-40,125.28

Finding the Fourth Proportional to 119,010.37, 178,516.17 and 40,125.28

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Solution

The fourth proportional to 119,010.37, 178,516.17 and 40,125.28 is: 60,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,010.37 : 178,516.17 = 40,125.28 : x
  2. Step 2: Convert to fraction form
    119,010.37/178,516.17 = 40,125.28/x
  3. Step 3: Cross multiply
    119,010.37x = 178,516.17 × 40,125.28
  4. Step 4: Simplify right side
    119,010.37x = 7,163,011,305.78
  5. Step 5: Solve for x
    x = 7,163,011,305.78/119,010.37
  6. Step 6: Final answer
    x = 60,188.13

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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.