Home / 194,521.61-268,434.47-108,483.21

Finding the Fourth Proportional to 194,521.61, 268,434.47 and 108,483.21

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Solution

The fourth proportional to 194,521.61, 268,434.47 and 108,483.21 is: 149,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,521.61 : 268,434.47 = 108,483.21 : x
  2. Step 2: Convert to fraction form
    194,521.61/268,434.47 = 108,483.21/x
  3. Step 3: Cross multiply
    194,521.61x = 268,434.47 × 108,483.21
  4. Step 4: Simplify right side
    194,521.61x = 29,120,631,095.66
  5. Step 5: Solve for x
    x = 29,120,631,095.66/194,521.61
  6. Step 6: Final answer
    x = 149,703.84

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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.