Home / 148,431.69-204,837.15-84,769.03

Finding the Fourth Proportional to 148,431.69, 204,837.15 and 84,769.03

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Solution

The fourth proportional to 148,431.69, 204,837.15 and 84,769.03 is: 116,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,431.69 : 204,837.15 = 84,769.03 : x
  2. Step 2: Convert to fraction form
    148,431.69/204,837.15 = 84,769.03/x
  3. Step 3: Cross multiply
    148,431.69x = 204,837.15 × 84,769.03
  4. Step 4: Simplify right side
    148,431.69x = 17,363,847,087.39
  5. Step 5: Solve for x
    x = 17,363,847,087.39/148,431.69
  6. Step 6: Final answer
    x = 116,982.07

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1.5x scale

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.