Home / 177,849.27-245,439.86-102,422.07

Finding the Fourth Proportional to 177,849.27, 245,439.86 and 102,422.07

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Solution

The fourth proportional to 177,849.27, 245,439.86 and 102,422.07 is: 141,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,849.27 : 245,439.86 = 102,422.07 : x
  2. Step 2: Convert to fraction form
    177,849.27/245,439.86 = 102,422.07/x
  3. Step 3: Cross multiply
    177,849.27x = 245,439.86 × 102,422.07
  4. Step 4: Simplify right side
    177,849.27x = 25,138,458,009.60
  5. Step 5: Solve for x
    x = 25,138,458,009.60/177,849.27
  6. Step 6: Final answer
    x = 141,346.98

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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.