Home / 134,279.58-185,308.78-73,853.28

Finding the Fourth Proportional to 134,279.58, 185,308.78 and 73,853.28

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Solution

The fourth proportional to 134,279.58, 185,308.78 and 73,853.28 is: 101,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,279.58 : 185,308.78 = 73,853.28 : x
  2. Step 2: Convert to fraction form
    134,279.58/185,308.78 = 73,853.28/x
  3. Step 3: Cross multiply
    134,279.58x = 185,308.78 × 73,853.28
  4. Step 4: Simplify right side
    134,279.58x = 13,685,661,586.02
  5. Step 5: Solve for x
    x = 13,685,661,586.02/134,279.58
  6. Step 6: Final answer
    x = 101,919.16

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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.