Home / 144,540.84-216,530.70-106,521.06

Finding the Fourth Proportional to 144,540.84, 216,530.70 and 106,521.06

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Solution

The fourth proportional to 144,540.84, 216,530.70 and 106,521.06 is: 159,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540.84 : 216,530.70 = 106,521.06 : x
  2. Step 2: Convert to fraction form
    144,540.84/216,530.70 = 106,521.06/x
  3. Step 3: Cross multiply
    144,540.84x = 216,530.70 × 106,521.06
  4. Step 4: Simplify right side
    144,540.84x = 23,065,079,686.54
  5. Step 5: Solve for x
    x = 23,065,079,686.54/144,540.84
  6. Step 6: Final answer
    x = 159,574.83

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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.