Home / 150,178.68-206,890.47-104,774.22

Finding the Fourth Proportional to 150,178.68, 206,890.47 and 104,774.22

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Solution

The fourth proportional to 150,178.68, 206,890.47 and 104,774.22 is: 144,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,178.68 : 206,890.47 = 104,774.22 : x
  2. Step 2: Convert to fraction form
    150,178.68/206,890.47 = 104,774.22/x
  3. Step 3: Cross multiply
    150,178.68x = 206,890.47 × 104,774.22
  4. Step 4: Simplify right side
    150,178.68x = 21,676,787,619.68
  5. Step 5: Solve for x
    x = 21,676,787,619.68/150,178.68
  6. Step 6: Final answer
    x = 144,339.98

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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.