Home / 196,439.76-294,669.72-56,219.28

Finding the Fourth Proportional to 196,439.76, 294,669.72 and 56,219.28

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Solution

The fourth proportional to 196,439.76, 294,669.72 and 56,219.28 is: 84,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,439.76 : 294,669.72 = 56,219.28 : x
  2. Step 2: Convert to fraction form
    196,439.76/294,669.72 = 56,219.28/x
  3. Step 3: Cross multiply
    196,439.76x = 294,669.72 × 56,219.28
  4. Step 4: Simplify right side
    196,439.76x = 16,566,119,496.20
  5. Step 5: Solve for x
    x = 16,566,119,496.20/196,439.76
  6. Step 6: Final answer
    x = 84,331.80

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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.