Home / 268,589.19-402,929.69-110,731.35

Finding the Fourth Proportional to 268,589.19, 402,929.69 and 110,731.35

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Solution

The fourth proportional to 268,589.19, 402,929.69 and 110,731.35 is: 166,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,589.19 : 402,929.69 = 110,731.35 : x
  2. Step 2: Convert to fraction form
    268,589.19/402,929.69 = 110,731.35/x
  3. Step 3: Cross multiply
    268,589.19x = 402,929.69 × 110,731.35
  4. Step 4: Simplify right side
    268,589.19x = 44,616,947,975.12
  5. Step 5: Solve for x
    x = 44,616,947,975.12/268,589.19
  6. Step 6: Final answer
    x = 166,115.95

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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.