Home / 137,140.48-205,636.75-62,219.75

Finding the Fourth Proportional to 137,140.48, 205,636.75 and 62,219.75

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Solution

The fourth proportional to 137,140.48, 205,636.75 and 62,219.75 is: 93,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,140.48 : 205,636.75 = 62,219.75 : x
  2. Step 2: Convert to fraction form
    137,140.48/205,636.75 = 62,219.75/x
  3. Step 3: Cross multiply
    137,140.48x = 205,636.75 × 62,219.75
  4. Step 4: Simplify right side
    137,140.48x = 12,794,667,175.81
  5. Step 5: Solve for x
    x = 12,794,667,175.81/137,140.48
  6. Step 6: Final answer
    x = 93,296.07

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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.