Home / 372,091.40-557,804.80-135,267.25

Finding the Fourth Proportional to 372,091.40, 557,804.80 and 135,267.25

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Solution

The fourth proportional to 372,091.40, 557,804.80 and 135,267.25 is: 202,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,091.40 : 557,804.80 = 135,267.25 : x
  2. Step 2: Convert to fraction form
    372,091.40/557,804.80 = 135,267.25/x
  3. Step 3: Cross multiply
    372,091.40x = 557,804.80 × 135,267.25
  4. Step 4: Simplify right side
    372,091.40x = 75,452,720,107.37
  5. Step 5: Solve for x
    x = 75,452,720,107.37/372,091.40
  6. Step 6: Final answer
    x = 202,780.07

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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.