Home / 135,153.52-202,699.56-64,996.72

Finding the Fourth Proportional to 135,153.52, 202,699.56 and 64,996.72

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Solution

The fourth proportional to 135,153.52, 202,699.56 and 64,996.72 is: 97,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,153.52 : 202,699.56 = 64,996.72 : x
  2. Step 2: Convert to fraction form
    135,153.52/202,699.56 = 64,996.72/x
  3. Step 3: Cross multiply
    135,153.52x = 202,699.56 × 64,996.72
  4. Step 4: Simplify right side
    135,153.52x = 13,174,806,545.44
  5. Step 5: Solve for x
    x = 13,174,806,545.44/135,153.52
  6. Step 6: Final answer
    x = 97,480.31

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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.