Home / 371,589.12-557,386.11-91,106.37

Finding the Fourth Proportional to 371,589.12, 557,386.11 and 91,106.37

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Solution

The fourth proportional to 371,589.12, 557,386.11 and 91,106.37 is: 136,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,589.12 : 557,386.11 = 91,106.37 : x
  2. Step 2: Convert to fraction form
    371,589.12/557,386.11 = 91,106.37/x
  3. Step 3: Cross multiply
    371,589.12x = 557,386.11 × 91,106.37
  4. Step 4: Simplify right side
    371,589.12x = 50,781,425,170.52
  5. Step 5: Solve for x
    x = 50,781,425,170.52/371,589.12
  6. Step 6: Final answer
    x = 136,660.15

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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.