Home / 134,706.72-185,896.44-74,279.64

Finding the Fourth Proportional to 134,706.72, 185,896.44 and 74,279.64

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Solution

The fourth proportional to 134,706.72, 185,896.44 and 74,279.64 is: 102,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,706.72 : 185,896.44 = 74,279.64 : x
  2. Step 2: Convert to fraction form
    134,706.72/185,896.44 = 74,279.64/x
  3. Step 3: Cross multiply
    134,706.72x = 185,896.44 × 74,279.64
  4. Step 4: Simplify right side
    134,706.72x = 13,808,320,640.48
  5. Step 5: Solve for x
    x = 13,808,320,640.48/134,706.72
  6. Step 6: Final answer
    x = 102,506.55

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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.