Home / 144,089.03-216,143.92-55,342.52

Finding the Fourth Proportional to 144,089.03, 216,143.92 and 55,342.52

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Solution

The fourth proportional to 144,089.03, 216,143.92 and 55,342.52 is: 83,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,089.03 : 216,143.92 = 55,342.52 : x
  2. Step 2: Convert to fraction form
    144,089.03/216,143.92 = 55,342.52/x
  3. Step 3: Cross multiply
    144,089.03x = 216,143.92 × 55,342.52
  4. Step 4: Simplify right side
    144,089.03x = 11,961,948,250.92
  5. Step 5: Solve for x
    x = 11,961,948,250.92/144,089.03
  6. Step 6: Final answer
    x = 83,017.76

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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.