Home / 124,339.97-186,511.23-99,537.71

Finding the Fourth Proportional to 124,339.97, 186,511.23 and 99,537.71

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Solution

The fourth proportional to 124,339.97, 186,511.23 and 99,537.71 is: 149,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339.97 : 186,511.23 = 99,537.71 : x
  2. Step 2: Convert to fraction form
    124,339.97/186,511.23 = 99,537.71/x
  3. Step 3: Cross multiply
    124,339.97x = 186,511.23 × 99,537.71
  4. Step 4: Simplify right side
    124,339.97x = 18,564,899,790.93
  5. Step 5: Solve for x
    x = 18,564,899,790.93/124,339.97
  6. Step 6: Final answer
    x = 149,307.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.