Home / 198,053.79-273,312.37-107,411.76

Finding the Fourth Proportional to 198,053.79, 273,312.37 and 107,411.76

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Solution

The fourth proportional to 198,053.79, 273,312.37 and 107,411.76 is: 148,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,053.79 : 273,312.37 = 107,411.76 : x
  2. Step 2: Convert to fraction form
    198,053.79/273,312.37 = 107,411.76/x
  3. Step 3: Cross multiply
    198,053.79x = 273,312.37 × 107,411.76
  4. Step 4: Simplify right side
    198,053.79x = 29,356,962,691.47
  5. Step 5: Solve for x
    x = 29,356,962,691.47/198,053.79
  6. Step 6: Final answer
    x = 148,227.22

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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.