Home / 154,140.94-211,898.54-132,551.20

Finding the Fourth Proportional to 154,140.94, 211,898.54 and 132,551.20

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Solution

The fourth proportional to 154,140.94, 211,898.54 and 132,551.20 is: 182,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,140.94 : 211,898.54 = 132,551.20 : x
  2. Step 2: Convert to fraction form
    154,140.94/211,898.54 = 132,551.20/x
  3. Step 3: Cross multiply
    154,140.94x = 211,898.54 × 132,551.20
  4. Step 4: Simplify right side
    154,140.94x = 28,087,405,755.25
  5. Step 5: Solve for x
    x = 28,087,405,755.25/154,140.94
  6. Step 6: Final answer
    x = 182,218.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.