Home / 188,569.50-260,233.20-103,684.74

Finding the Fourth Proportional to 188,569.50, 260,233.20 and 103,684.74

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Solution

The fourth proportional to 188,569.50, 260,233.20 and 103,684.74 is: 143,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,569.50 : 260,233.20 = 103,684.74 : x
  2. Step 2: Convert to fraction form
    188,569.50/260,233.20 = 103,684.74/x
  3. Step 3: Cross multiply
    188,569.50x = 260,233.20 × 103,684.74
  4. Step 4: Simplify right side
    188,569.50x = 26,982,211,681.37
  5. Step 5: Solve for x
    x = 26,982,211,681.37/188,569.50
  6. Step 6: Final answer
    x = 143,088.95

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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.