Home / 194,298.98-291,487.76-81,979.48

Finding the Fourth Proportional to 194,298.98, 291,487.76 and 81,979.48

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Solution

The fourth proportional to 194,298.98, 291,487.76 and 81,979.48 is: 122,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,298.98 : 291,487.76 = 81,979.48 : x
  2. Step 2: Convert to fraction form
    194,298.98/291,487.76 = 81,979.48/x
  3. Step 3: Cross multiply
    194,298.98x = 291,487.76 × 81,979.48
  4. Step 4: Simplify right side
    194,298.98x = 23,896,014,991.16
  5. Step 5: Solve for x
    x = 23,896,014,991.16/194,298.98
  6. Step 6: Final answer
    x = 122,985.80

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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.