Home / 191,012.78-286,518.83-50,771.41

Finding the Fourth Proportional to 191,012.78, 286,518.83 and 50,771.41

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Solution

The fourth proportional to 191,012.78, 286,518.83 and 50,771.41 is: 76,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,012.78 : 286,518.83 = 50,771.41 : x
  2. Step 2: Convert to fraction form
    191,012.78/286,518.83 = 50,771.41/x
  3. Step 3: Cross multiply
    191,012.78x = 286,518.83 × 50,771.41
  4. Step 4: Simplify right side
    191,012.78x = 14,546,964,020.50
  5. Step 5: Solve for x
    x = 14,546,964,020.50/191,012.78
  6. Step 6: Final answer
    x = 76,157.02

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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.