Home / 100,566.41-150,849.63-25,686.72

Finding the Fourth Proportional to 100,566.41, 150,849.63 and 25,686.72

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Solution

The fourth proportional to 100,566.41, 150,849.63 and 25,686.72 is: 38,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,566.41 : 150,849.63 = 25,686.72 : x
  2. Step 2: Convert to fraction form
    100,566.41/150,849.63 = 25,686.72/x
  3. Step 3: Cross multiply
    100,566.41x = 150,849.63 × 25,686.72
  4. Step 4: Simplify right side
    100,566.41x = 3,874,832,207.91
  5. Step 5: Solve for x
    x = 3,874,832,207.91/100,566.41
  6. Step 6: Final answer
    x = 38,530.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.