Home / 134,897.58-186,160.20-74,467.12

Finding the Fourth Proportional to 134,897.58, 186,160.20 and 74,467.12

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Solution

The fourth proportional to 134,897.58, 186,160.20 and 74,467.12 is: 102,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.58 : 186,160.20 = 74,467.12 : x
  2. Step 2: Convert to fraction form
    134,897.58/186,160.20 = 74,467.12/x
  3. Step 3: Cross multiply
    134,897.58x = 186,160.20 × 74,467.12
  4. Step 4: Simplify right side
    134,897.58x = 13,862,813,952.62
  5. Step 5: Solve for x
    x = 13,862,813,952.62/134,897.58
  6. Step 6: Final answer
    x = 102,765.48

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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.