Home / 188,530.23-260,182.22-103,664.91

Finding the Fourth Proportional to 188,530.23, 260,182.22 and 103,664.91

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Solution

The fourth proportional to 188,530.23, 260,182.22 and 103,664.91 is: 143,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,530.23 : 260,182.22 = 103,664.91 : x
  2. Step 2: Convert to fraction form
    188,530.23/260,182.22 = 103,664.91/x
  3. Step 3: Cross multiply
    188,530.23x = 260,182.22 × 103,664.91
  4. Step 4: Simplify right side
    188,530.23x = 26,971,765,901.58
  5. Step 5: Solve for x
    x = 26,971,765,901.58/188,530.23
  6. Step 6: Final answer
    x = 143,063.35

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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.