Home / 147,834.24-204,011.45-84,172.06

Finding the Fourth Proportional to 147,834.24, 204,011.45 and 84,172.06

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Solution

The fourth proportional to 147,834.24, 204,011.45 and 84,172.06 is: 116,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,834.24 : 204,011.45 = 84,172.06 : x
  2. Step 2: Convert to fraction form
    147,834.24/204,011.45 = 84,172.06/x
  3. Step 3: Cross multiply
    147,834.24x = 204,011.45 × 84,172.06
  4. Step 4: Simplify right side
    147,834.24x = 17,172,064,010.09
  5. Step 5: Solve for x
    x = 17,172,064,010.09/147,834.24
  6. Step 6: Final answer
    x = 116,157.56

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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.