Home / 147,773.46-203,937.78-84,111.24

Finding the Fourth Proportional to 147,773.46, 203,937.78 and 84,111.24

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Solution

The fourth proportional to 147,773.46, 203,937.78 and 84,111.24 is: 116,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,773.46 : 203,937.78 = 84,111.24 : x
  2. Step 2: Convert to fraction form
    147,773.46/203,937.78 = 84,111.24/x
  3. Step 3: Cross multiply
    147,773.46x = 203,937.78 × 84,111.24
  4. Step 4: Simplify right side
    147,773.46x = 17,153,459,558.65
  5. Step 5: Solve for x
    x = 17,153,459,558.65/147,773.46
  6. Step 6: Final answer
    x = 116,079.43

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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.