Home / 147,223.93-203,174.02-82,704.55

Finding the Fourth Proportional to 147,223.93, 203,174.02 and 82,704.55

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Solution

The fourth proportional to 147,223.93, 203,174.02 and 82,704.55 is: 114,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,223.93 : 203,174.02 = 82,704.55 : x
  2. Step 2: Convert to fraction form
    147,223.93/203,174.02 = 82,704.55/x
  3. Step 3: Cross multiply
    147,223.93x = 203,174.02 × 82,704.55
  4. Step 4: Simplify right side
    147,223.93x = 16,803,415,895.79
  5. Step 5: Solve for x
    x = 16,803,415,895.79/147,223.93
  6. Step 6: Final answer
    x = 114,135.09

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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.