Home / 144,974.80-217,486.50-45,111.52

Finding the Fourth Proportional to 144,974.80, 217,486.50 and 45,111.52

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Solution

The fourth proportional to 144,974.80, 217,486.50 and 45,111.52 is: 67,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,974.80 : 217,486.50 = 45,111.52 : x
  2. Step 2: Convert to fraction form
    144,974.80/217,486.50 = 45,111.52/x
  3. Step 3: Cross multiply
    144,974.80x = 217,486.50 × 45,111.52
  4. Step 4: Simplify right side
    144,974.80x = 9,811,146,594.48
  5. Step 5: Solve for x
    x = 9,811,146,594.48/144,974.80
  6. Step 6: Final answer
    x = 67,674.84

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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.