Home / 194,895.77-292,362.75-81,020.03

Finding the Fourth Proportional to 194,895.77, 292,362.75 and 81,020.03

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Solution

The fourth proportional to 194,895.77, 292,362.75 and 81,020.03 is: 121,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,895.77 : 292,362.75 = 81,020.03 : x
  2. Step 2: Convert to fraction form
    194,895.77/292,362.75 = 81,020.03/x
  3. Step 3: Cross multiply
    194,895.77x = 292,362.75 × 81,020.03
  4. Step 4: Simplify right side
    194,895.77x = 23,687,237,314.07
  5. Step 5: Solve for x
    x = 23,687,237,314.07/194,895.77
  6. Step 6: Final answer
    x = 121,537.98

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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.