Home / 189,818.02-261,938.64-104,930.02

Finding the Fourth Proportional to 189,818.02, 261,938.64 and 104,930.02

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Solution

The fourth proportional to 189,818.02, 261,938.64 and 104,930.02 is: 144,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,818.02 : 261,938.64 = 104,930.02 : x
  2. Step 2: Convert to fraction form
    189,818.02/261,938.64 = 104,930.02/x
  3. Step 3: Cross multiply
    189,818.02x = 261,938.64 × 104,930.02
  4. Step 4: Simplify right side
    189,818.02x = 27,485,226,733.97
  5. Step 5: Solve for x
    x = 27,485,226,733.97/189,818.02
  6. Step 6: Final answer
    x = 144,797.77

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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.