Home / 288,564.48-398,131.20-175,345.92

Finding the Fourth Proportional to 288,564.48, 398,131.20 and 175,345.92

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Solution

The fourth proportional to 288,564.48, 398,131.20 and 175,345.92 is: 241,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,564.48 : 398,131.20 = 175,345.92 : x
  2. Step 2: Convert to fraction form
    288,564.48/398,131.20 = 175,345.92/x
  3. Step 3: Cross multiply
    288,564.48x = 398,131.20 × 175,345.92
  4. Step 4: Simplify right side
    288,564.48x = 69,810,681,544.70
  5. Step 5: Solve for x
    x = 69,810,681,544.70/288,564.48
  6. Step 6: Final answer
    x = 241,924.03

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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.