Home / 189,340.56-261,282.78-117,704.16

Finding the Fourth Proportional to 189,340.56, 261,282.78 and 117,704.16

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Solution

The fourth proportional to 189,340.56, 261,282.78 and 117,704.16 is: 162,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,340.56 : 261,282.78 = 117,704.16 : x
  2. Step 2: Convert to fraction form
    189,340.56/261,282.78 = 117,704.16/x
  3. Step 3: Cross multiply
    189,340.56x = 261,282.78 × 117,704.16
  4. Step 4: Simplify right side
    189,340.56x = 30,754,070,142.36
  5. Step 5: Solve for x
    x = 30,754,070,142.36/189,340.56
  6. Step 6: Final answer
    x = 162,427.27

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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.