Home / 188,943.14-260,437.64-127,670.20

Finding the Fourth Proportional to 188,943.14, 260,437.64 and 127,670.20

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Solution

The fourth proportional to 188,943.14, 260,437.64 and 127,670.20 is: 175,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943.14 : 260,437.64 = 127,670.20 : x
  2. Step 2: Convert to fraction form
    188,943.14/260,437.64 = 127,670.20/x
  3. Step 3: Cross multiply
    188,943.14x = 260,437.64 × 127,670.20
  4. Step 4: Simplify right side
    188,943.14x = 33,250,125,586.33
  5. Step 5: Solve for x
    x = 33,250,125,586.33/188,943.14
  6. Step 6: Final answer
    x = 175,979.53

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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.