Home / 191,742.44-265,082.84-143,912.75

Finding the Fourth Proportional to 191,742.44, 265,082.84 and 143,912.75

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Solution

The fourth proportional to 191,742.44, 265,082.84 and 143,912.75 is: 198,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,742.44 : 265,082.84 = 143,912.75 : x
  2. Step 2: Convert to fraction form
    191,742.44/265,082.84 = 143,912.75/x
  3. Step 3: Cross multiply
    191,742.44x = 265,082.84 × 143,912.75
  4. Step 4: Simplify right side
    191,742.44x = 38,148,798,437.23
  5. Step 5: Solve for x
    x = 38,148,798,437.23/191,742.44
  6. Step 6: Final answer
    x = 198,958.56

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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.