Home / 134,324.09-185,361.40-73,890.90

Finding the Fourth Proportional to 134,324.09, 185,361.40 and 73,890.90

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Solution

The fourth proportional to 134,324.09, 185,361.40 and 73,890.90 is: 101,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,324.09 : 185,361.40 = 73,890.90 : x
  2. Step 2: Convert to fraction form
    134,324.09/185,361.40 = 73,890.90/x
  3. Step 3: Cross multiply
    134,324.09x = 185,361.40 × 73,890.90
  4. Step 4: Simplify right side
    134,324.09x = 13,696,520,486.53
  5. Step 5: Solve for x
    x = 13,696,520,486.53/134,324.09
  6. Step 6: Final answer
    x = 101,966.23

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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.