Home / 134,679.56-185,859-74,252.35

Finding the Fourth Proportional to 134,679.56, 185,859 and 74,252.35

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Solution

The fourth proportional to 134,679.56, 185,859 and 74,252.35 is: 102,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,679.56 : 185,859 = 74,252.35 : x
  2. Step 2: Convert to fraction form
    134,679.56/185,859 = 74,252.35/x
  3. Step 3: Cross multiply
    134,679.56x = 185,859 × 74,252.35
  4. Step 4: Simplify right side
    134,679.56x = 13,800,467,518.65
  5. Step 5: Solve for x
    x = 13,800,467,518.65/134,679.56
  6. Step 6: Final answer
    x = 102,468.91

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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.