Home / 189,977.17-262,167.53-103,934.59

Finding the Fourth Proportional to 189,977.17, 262,167.53 and 103,934.59

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Solution

The fourth proportional to 189,977.17, 262,167.53 and 103,934.59 is: 143,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,977.17 : 262,167.53 = 103,934.59 : x
  2. Step 2: Convert to fraction form
    189,977.17/262,167.53 = 103,934.59/x
  3. Step 3: Cross multiply
    189,977.17x = 262,167.53 × 103,934.59
  4. Step 4: Simplify right side
    189,977.17x = 27,248,273,431.03
  5. Step 5: Solve for x
    x = 27,248,273,431.03/189,977.17
  6. Step 6: Final answer
    x = 143,429.20

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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.