Home / 194,675.10-291,811.05-105,740.70

Finding the Fourth Proportional to 194,675.10, 291,811.05 and 105,740.70

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Solution

The fourth proportional to 194,675.10, 291,811.05 and 105,740.70 is: 158,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,675.10 : 291,811.05 = 105,740.70 : x
  2. Step 2: Convert to fraction form
    194,675.10/291,811.05 = 105,740.70/x
  3. Step 3: Cross multiply
    194,675.10x = 291,811.05 × 105,740.70
  4. Step 4: Simplify right side
    194,675.10x = 30,856,304,694.74
  5. Step 5: Solve for x
    x = 30,856,304,694.74/194,675.10
  6. Step 6: Final answer
    x = 158,501.55

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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.