Home / 194,445.80-291,620.10-74,476.70

Finding the Fourth Proportional to 194,445.80, 291,620.10 and 74,476.70

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Solution

The fourth proportional to 194,445.80, 291,620.10 and 74,476.70 is: 111,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,445.80 : 291,620.10 = 74,476.70 : x
  2. Step 2: Convert to fraction form
    194,445.80/291,620.10 = 74,476.70/x
  3. Step 3: Cross multiply
    194,445.80x = 291,620.10 × 74,476.70
  4. Step 4: Simplify right side
    194,445.80x = 21,718,902,701.67
  5. Step 5: Solve for x
    x = 21,718,902,701.67/194,445.80
  6. Step 6: Final answer
    x = 111,696.44

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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.