Home / 171,269.70-236,402.73-99,681.54

Finding the Fourth Proportional to 171,269.70, 236,402.73 and 99,681.54

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Solution

The fourth proportional to 171,269.70, 236,402.73 and 99,681.54 is: 137,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,269.70 : 236,402.73 = 99,681.54 : x
  2. Step 2: Convert to fraction form
    171,269.70/236,402.73 = 99,681.54/x
  3. Step 3: Cross multiply
    171,269.70x = 236,402.73 × 99,681.54
  4. Step 4: Simplify right side
    171,269.70x = 23,564,988,186.60
  5. Step 5: Solve for x
    x = 23,564,988,186.60/171,269.70
  6. Step 6: Final answer
    x = 137,589.94

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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.