Home / 130,924.24-180,676.72-74,336.88

Finding the Fourth Proportional to 130,924.24, 180,676.72 and 74,336.88

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Solution

The fourth proportional to 130,924.24, 180,676.72 and 74,336.88 is: 102,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,924.24 : 180,676.72 = 74,336.88 : x
  2. Step 2: Convert to fraction form
    130,924.24/180,676.72 = 74,336.88/x
  3. Step 3: Cross multiply
    130,924.24x = 180,676.72 × 74,336.88
  4. Step 4: Simplify right side
    130,924.24x = 13,430,943,653.43
  5. Step 5: Solve for x
    x = 13,430,943,653.43/130,924.24
  6. Step 6: Final answer
    x = 102,585.61

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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.