Home / 150,865.88-208,184.82-82,869.56

Finding the Fourth Proportional to 150,865.88, 208,184.82 and 82,869.56

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Solution

The fourth proportional to 150,865.88, 208,184.82 and 82,869.56 is: 114,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,865.88 : 208,184.82 = 82,869.56 : x
  2. Step 2: Convert to fraction form
    150,865.88/208,184.82 = 82,869.56/x
  3. Step 3: Cross multiply
    150,865.88x = 208,184.82 × 82,869.56
  4. Step 4: Simplify right side
    150,865.88x = 17,252,184,432.08
  5. Step 5: Solve for x
    x = 17,252,184,432.08/150,865.88
  6. Step 6: Final answer
    x = 114,354.45

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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.