Home / 194,247.40-268,136.74-151,819.72

Finding the Fourth Proportional to 194,247.40, 268,136.74 and 151,819.72

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Solution

The fourth proportional to 194,247.40, 268,136.74 and 151,819.72 is: 209,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,247.40 : 268,136.74 = 151,819.72 : x
  2. Step 2: Convert to fraction form
    194,247.40/268,136.74 = 151,819.72/x
  3. Step 3: Cross multiply
    194,247.40x = 268,136.74 × 151,819.72
  4. Step 4: Simplify right side
    194,247.40x = 40,708,444,788.51
  5. Step 5: Solve for x
    x = 40,708,444,788.51/194,247.40
  6. Step 6: Final answer
    x = 209,570.09

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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.