Home / 198,242.88-273,802.32-130,562.52

Finding the Fourth Proportional to 198,242.88, 273,802.32 and 130,562.52

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Solution

The fourth proportional to 198,242.88, 273,802.32 and 130,562.52 is: 180,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.88 : 273,802.32 = 130,562.52 : x
  2. Step 2: Convert to fraction form
    198,242.88/273,802.32 = 130,562.52/x
  3. Step 3: Cross multiply
    198,242.88x = 273,802.32 × 130,562.52
  4. Step 4: Simplify right side
    198,242.88x = 35,748,320,881.05
  5. Step 5: Solve for x
    x = 35,748,320,881.05/198,242.88
  6. Step 6: Final answer
    x = 180,325.88

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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.