Home / 245,923.52-368,293.68-140,422.64

Finding the Fourth Proportional to 245,923.52, 368,293.68 and 140,422.64

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Solution

The fourth proportional to 245,923.52, 368,293.68 and 140,422.64 is: 210,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,923.52 : 368,293.68 = 140,422.64 : x
  2. Step 2: Convert to fraction form
    245,923.52/368,293.68 = 140,422.64/x
  3. Step 3: Cross multiply
    245,923.52x = 368,293.68 × 140,422.64
  4. Step 4: Simplify right side
    245,923.52x = 51,716,770,840.92
  5. Step 5: Solve for x
    x = 51,716,770,840.92/245,923.52
  6. Step 6: Final answer
    x = 210,296.16

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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.