Home / 154,295.28-231,427.44-109,507.68

Finding the Fourth Proportional to 154,295.28, 231,427.44 and 109,507.68

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Solution

The fourth proportional to 154,295.28, 231,427.44 and 109,507.68 is: 164,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,295.28 : 231,427.44 = 109,507.68 : x
  2. Step 2: Convert to fraction form
    154,295.28/231,427.44 = 109,507.68/x
  3. Step 3: Cross multiply
    154,295.28x = 231,427.44 × 109,507.68
  4. Step 4: Simplify right side
    154,295.28x = 25,343,082,042.74
  5. Step 5: Solve for x
    x = 25,343,082,042.74/154,295.28
  6. Step 6: Final answer
    x = 164,250.53

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1.5x scale

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.