Home / 188,756.38-260,477.40-103,873.24

Finding the Fourth Proportional to 188,756.38, 260,477.40 and 103,873.24

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Solution

The fourth proportional to 188,756.38, 260,477.40 and 103,873.24 is: 143,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,756.38 : 260,477.40 = 103,873.24 : x
  2. Step 2: Convert to fraction form
    188,756.38/260,477.40 = 103,873.24/x
  3. Step 3: Cross multiply
    188,756.38x = 260,477.40 × 103,873.24
  4. Step 4: Simplify right side
    188,756.38x = 27,056,631,484.78
  5. Step 5: Solve for x
    x = 27,056,631,484.78/188,756.38
  6. Step 6: Final answer
    x = 143,341.55

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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.