Home / 188,111.44-282,166.39-68,140.31

Finding the Fourth Proportional to 188,111.44, 282,166.39 and 68,140.31

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Solution

The fourth proportional to 188,111.44, 282,166.39 and 68,140.31 is: 102,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,111.44 : 282,166.39 = 68,140.31 : x
  2. Step 2: Convert to fraction form
    188,111.44/282,166.39 = 68,140.31/x
  3. Step 3: Cross multiply
    188,111.44x = 282,166.39 × 68,140.31
  4. Step 4: Simplify right side
    188,111.44x = 19,226,905,286.18
  5. Step 5: Solve for x
    x = 19,226,905,286.18/188,111.44
  6. Step 6: Final answer
    x = 102,210.19

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1.5x scale

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.