Home / 152,418.45-210,337.42-84,439.84

Finding the Fourth Proportional to 152,418.45, 210,337.42 and 84,439.84

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Solution

The fourth proportional to 152,418.45, 210,337.42 and 84,439.84 is: 116,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,418.45 : 210,337.42 = 84,439.84 : x
  2. Step 2: Convert to fraction form
    152,418.45/210,337.42 = 84,439.84/x
  3. Step 3: Cross multiply
    152,418.45x = 210,337.42 × 84,439.84
  4. Step 4: Simplify right side
    152,418.45x = 17,760,856,616.93
  5. Step 5: Solve for x
    x = 17,760,856,616.93/152,418.45
  6. Step 6: Final answer
    x = 116,526.95

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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.