Home / 188,436.60-282,479.22-63,690.36

Finding the Fourth Proportional to 188,436.60, 282,479.22 and 63,690.36

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Solution

The fourth proportional to 188,436.60, 282,479.22 and 63,690.36 is: 95,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,436.60 : 282,479.22 = 63,690.36 : x
  2. Step 2: Convert to fraction form
    188,436.60/282,479.22 = 63,690.36/x
  3. Step 3: Cross multiply
    188,436.60x = 282,479.22 × 63,690.36
  4. Step 4: Simplify right side
    188,436.60x = 17,991,203,214.32
  5. Step 5: Solve for x
    x = 17,991,203,214.32/188,436.60
  6. Step 6: Final answer
    x = 95,476.16

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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.