Home / 144,432.36-216,754.94-68,531.16

Finding the Fourth Proportional to 144,432.36, 216,754.94 and 68,531.16

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Solution

The fourth proportional to 144,432.36, 216,754.94 and 68,531.16 is: 102,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,432.36 : 216,754.94 = 68,531.16 : x
  2. Step 2: Convert to fraction form
    144,432.36/216,754.94 = 68,531.16/x
  3. Step 3: Cross multiply
    144,432.36x = 216,754.94 × 68,531.16
  4. Step 4: Simplify right side
    144,432.36x = 14,854,467,473.93
  5. Step 5: Solve for x
    x = 14,854,467,473.93/144,432.36
  6. Step 6: Final answer
    x = 102,847.23

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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.