Home / 185,443.50-255,912.03-100,560.63

Finding the Fourth Proportional to 185,443.50, 255,912.03 and 100,560.63

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Solution

The fourth proportional to 185,443.50, 255,912.03 and 100,560.63 is: 138,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,443.50 : 255,912.03 = 100,560.63 : x
  2. Step 2: Convert to fraction form
    185,443.50/255,912.03 = 100,560.63/x
  3. Step 3: Cross multiply
    185,443.50x = 255,912.03 × 100,560.63
  4. Step 4: Simplify right side
    185,443.50x = 25,734,674,961.38
  5. Step 5: Solve for x
    x = 25,734,674,961.38/185,443.50
  6. Step 6: Final answer
    x = 138,773.67

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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.