Home / 146,045.79-201,520.40-82,381.95

Finding the Fourth Proportional to 146,045.79, 201,520.40 and 82,381.95

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Solution

The fourth proportional to 146,045.79, 201,520.40 and 82,381.95 is: 113,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,045.79 : 201,520.40 = 82,381.95 : x
  2. Step 2: Convert to fraction form
    146,045.79/201,520.40 = 82,381.95/x
  3. Step 3: Cross multiply
    146,045.79x = 201,520.40 × 82,381.95
  4. Step 4: Simplify right side
    146,045.79x = 16,601,643,104.87
  5. Step 5: Solve for x
    x = 16,601,643,104.87/146,045.79
  6. Step 6: Final answer
    x = 113,674.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.