Home / 194,578.38-268,477.29-118,137.66

Finding the Fourth Proportional to 194,578.38, 268,477.29 and 118,137.66

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Solution

The fourth proportional to 194,578.38, 268,477.29 and 118,137.66 is: 163,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,578.38 : 268,477.29 = 118,137.66 : x
  2. Step 2: Convert to fraction form
    194,578.38/268,477.29 = 118,137.66/x
  3. Step 3: Cross multiply
    194,578.38x = 268,477.29 × 118,137.66
  4. Step 4: Simplify right side
    194,578.38x = 31,717,278,803.74
  5. Step 5: Solve for x
    x = 31,717,278,803.74/194,578.38
  6. Step 6: Final answer
    x = 163,005.15

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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.