Home / 171,897.12-237,228.48-114,437.28

Finding the Fourth Proportional to 171,897.12, 237,228.48 and 114,437.28

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Solution

The fourth proportional to 171,897.12, 237,228.48 and 114,437.28 is: 157,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,897.12 : 237,228.48 = 114,437.28 : x
  2. Step 2: Convert to fraction form
    171,897.12/237,228.48 = 114,437.28/x
  3. Step 3: Cross multiply
    171,897.12x = 237,228.48 × 114,437.28
  4. Step 4: Simplify right side
    171,897.12x = 27,147,781,989.73
  5. Step 5: Solve for x
    x = 27,147,781,989.73/171,897.12
  6. Step 6: Final answer
    x = 157,930.41

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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.