Home / 180,531.77-270,809.94-47,411.79

Finding the Fourth Proportional to 180,531.77, 270,809.94 and 47,411.79

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Solution

The fourth proportional to 180,531.77, 270,809.94 and 47,411.79 is: 71,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,531.77 : 270,809.94 = 47,411.79 : x
  2. Step 2: Convert to fraction form
    180,531.77/270,809.94 = 47,411.79/x
  3. Step 3: Cross multiply
    180,531.77x = 270,809.94 × 47,411.79
  4. Step 4: Simplify right side
    180,531.77x = 12,839,584,005.19
  5. Step 5: Solve for x
    x = 12,839,584,005.19/180,531.77
  6. Step 6: Final answer
    x = 71,120.91

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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.