Home / 135,545.16-203,387.45-64,548.31

Finding the Fourth Proportional to 135,545.16, 203,387.45 and 64,548.31

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Solution

The fourth proportional to 135,545.16, 203,387.45 and 64,548.31 is: 96,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,545.16 : 203,387.45 = 64,548.31 : x
  2. Step 2: Convert to fraction form
    135,545.16/203,387.45 = 64,548.31/x
  3. Step 3: Cross multiply
    135,545.16x = 203,387.45 × 64,548.31
  4. Step 4: Simplify right side
    135,545.16x = 13,128,314,833.03
  5. Step 5: Solve for x
    x = 13,128,314,833.03/135,545.16
  6. Step 6: Final answer
    x = 96,855.65

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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.