Home / 147,828.05-204,002.94-84,165.87

Finding the Fourth Proportional to 147,828.05, 204,002.94 and 84,165.87

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Solution

The fourth proportional to 147,828.05, 204,002.94 and 84,165.87 is: 116,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,828.05 : 204,002.94 = 84,165.87 : x
  2. Step 2: Convert to fraction form
    147,828.05/204,002.94 = 84,165.87/x
  3. Step 3: Cross multiply
    147,828.05x = 204,002.94 × 84,165.87
  4. Step 4: Simplify right side
    147,828.05x = 17,170,084,927.66
  5. Step 5: Solve for x
    x = 17,170,084,927.66/147,828.05
  6. Step 6: Final answer
    x = 116,149.04

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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.