Home / 188,531.97-260,257.98-112,075.81

Finding the Fourth Proportional to 188,531.97, 260,257.98 and 112,075.81

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Solution

The fourth proportional to 188,531.97, 260,257.98 and 112,075.81 is: 154,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,531.97 : 260,257.98 = 112,075.81 : x
  2. Step 2: Convert to fraction form
    188,531.97/260,257.98 = 112,075.81/x
  3. Step 3: Cross multiply
    188,531.97x = 260,257.98 × 112,075.81
  4. Step 4: Simplify right side
    188,531.97x = 29,168,625,477.64
  5. Step 5: Solve for x
    x = 29,168,625,477.64/188,531.97
  6. Step 6: Final answer
    x = 154,714.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.