Home / 149,083.12-223,625.89-54,381.16

Finding the Fourth Proportional to 149,083.12, 223,625.89 and 54,381.16

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Solution

The fourth proportional to 149,083.12, 223,625.89 and 54,381.16 is: 81,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,083.12 : 223,625.89 = 54,381.16 : x
  2. Step 2: Convert to fraction form
    149,083.12/223,625.89 = 54,381.16/x
  3. Step 3: Cross multiply
    149,083.12x = 223,625.89 × 54,381.16
  4. Step 4: Simplify right side
    149,083.12x = 12,161,035,304.23
  5. Step 5: Solve for x
    x = 12,161,035,304.23/149,083.12
  6. Step 6: Final answer
    x = 81,572.18

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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.