Home / 152,614.63-210,604.20-84,631.43

Finding the Fourth Proportional to 152,614.63, 210,604.20 and 84,631.43

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Solution

The fourth proportional to 152,614.63, 210,604.20 and 84,631.43 is: 116,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,614.63 : 210,604.20 = 84,631.43 : x
  2. Step 2: Convert to fraction form
    152,614.63/210,604.20 = 84,631.43/x
  3. Step 3: Cross multiply
    152,614.63x = 210,604.20 × 84,631.43
  4. Step 4: Simplify right side
    152,614.63x = 17,823,735,295.20
  5. Step 5: Solve for x
    x = 17,823,735,295.20/152,614.63
  6. Step 6: Final answer
    x = 116,789.16

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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.