Home / 166,980.32-230,442.27-99,037.52

Finding the Fourth Proportional to 166,980.32, 230,442.27 and 99,037.52

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Solution

The fourth proportional to 166,980.32, 230,442.27 and 99,037.52 is: 136,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,980.32 : 230,442.27 = 99,037.52 : x
  2. Step 2: Convert to fraction form
    166,980.32/230,442.27 = 99,037.52/x
  3. Step 3: Cross multiply
    166,980.32x = 230,442.27 × 99,037.52
  4. Step 4: Simplify right side
    166,980.32x = 22,822,430,923.97
  5. Step 5: Solve for x
    x = 22,822,430,923.97/166,980.32
  6. Step 6: Final answer
    x = 136,677.37

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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.