Home / 123,884.02-170,974.29-116,283.79

Finding the Fourth Proportional to 123,884.02, 170,974.29 and 116,283.79

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Solution

The fourth proportional to 123,884.02, 170,974.29 and 116,283.79 is: 160,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,884.02 : 170,974.29 = 116,283.79 : x
  2. Step 2: Convert to fraction form
    123,884.02/170,974.29 = 116,283.79/x
  3. Step 3: Cross multiply
    123,884.02x = 170,974.29 × 116,283.79
  4. Step 4: Simplify right side
    123,884.02x = 19,881,538,433.76
  5. Step 5: Solve for x
    x = 19,881,538,433.76/123,884.02
  6. Step 6: Final answer
    x = 160,485.09

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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.