Home / 140,929.38-211,293.63-66,008.43

Finding the Fourth Proportional to 140,929.38, 211,293.63 and 66,008.43

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Solution

The fourth proportional to 140,929.38, 211,293.63 and 66,008.43 is: 98,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,929.38 : 211,293.63 = 66,008.43 : x
  2. Step 2: Convert to fraction form
    140,929.38/211,293.63 = 66,008.43/x
  3. Step 3: Cross multiply
    140,929.38x = 211,293.63 × 66,008.43
  4. Step 4: Simplify right side
    140,929.38x = 13,947,160,785.30
  5. Step 5: Solve for x
    x = 13,947,160,785.30/140,929.38
  6. Step 6: Final answer
    x = 98,965.60

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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.