Home / 189,371.08-261,426.84-117,774.24

Finding the Fourth Proportional to 189,371.08, 261,426.84 and 117,774.24

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Solution

The fourth proportional to 189,371.08, 261,426.84 and 117,774.24 is: 162,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,371.08 : 261,426.84 = 117,774.24 : x
  2. Step 2: Convert to fraction form
    189,371.08/261,426.84 = 117,774.24/x
  3. Step 3: Cross multiply
    189,371.08x = 261,426.84 × 117,774.24
  4. Step 4: Simplify right side
    189,371.08x = 30,789,347,396.60
  5. Step 5: Solve for x
    x = 30,789,347,396.60/189,371.08
  6. Step 6: Final answer
    x = 162,587.38

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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.