Home / 194,657.10-291,784.05-105,722.70

Finding the Fourth Proportional to 194,657.10, 291,784.05 and 105,722.70

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Solution

The fourth proportional to 194,657.10, 291,784.05 and 105,722.70 is: 158,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,657.10 : 291,784.05 = 105,722.70 : x
  2. Step 2: Convert to fraction form
    194,657.10/291,784.05 = 105,722.70/x
  3. Step 3: Cross multiply
    194,657.10x = 291,784.05 × 105,722.70
  4. Step 4: Simplify right side
    194,657.10x = 30,848,197,582.94
  5. Step 5: Solve for x
    x = 30,848,197,582.94/194,657.10
  6. Step 6: Final answer
    x = 158,474.56

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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.