Home / 147,837.75-204,016.10-80,769.75

Finding the Fourth Proportional to 147,837.75, 204,016.10 and 80,769.75

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Solution

The fourth proportional to 147,837.75, 204,016.10 and 80,769.75 is: 111,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,837.75 : 204,016.10 = 80,769.75 : x
  2. Step 2: Convert to fraction form
    147,837.75/204,016.10 = 80,769.75/x
  3. Step 3: Cross multiply
    147,837.75x = 204,016.10 × 80,769.75
  4. Step 4: Simplify right side
    147,837.75x = 16,478,329,392.98
  5. Step 5: Solve for x
    x = 16,478,329,392.98/147,837.75
  6. Step 6: Final answer
    x = 111,462.26

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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.