Home / 140,889.54-211,366.70-46,122.78

Finding the Fourth Proportional to 140,889.54, 211,366.70 and 46,122.78

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Solution

The fourth proportional to 140,889.54, 211,366.70 and 46,122.78 is: 69,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,889.54 : 211,366.70 = 46,122.78 : x
  2. Step 2: Convert to fraction form
    140,889.54/211,366.70 = 46,122.78/x
  3. Step 3: Cross multiply
    140,889.54x = 211,366.70 × 46,122.78
  4. Step 4: Simplify right side
    140,889.54x = 9,748,819,803.43
  5. Step 5: Solve for x
    x = 9,748,819,803.43/140,889.54
  6. Step 6: Final answer
    x = 69,194.77

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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.