Home / 158,446.44-218,656.26-86,826.63

Finding the Fourth Proportional to 158,446.44, 218,656.26 and 86,826.63

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Solution

The fourth proportional to 158,446.44, 218,656.26 and 86,826.63 is: 119,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,446.44 : 218,656.26 = 86,826.63 : x
  2. Step 2: Convert to fraction form
    158,446.44/218,656.26 = 86,826.63/x
  3. Step 3: Cross multiply
    158,446.44x = 218,656.26 × 86,826.63
  4. Step 4: Simplify right side
    158,446.44x = 18,985,187,004.16
  5. Step 5: Solve for x
    x = 18,985,187,004.16/158,446.44
  6. Step 6: Final answer
    x = 119,820.85

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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.