Home / 154,495.24-231,555.70-65,561.92

Finding the Fourth Proportional to 154,495.24, 231,555.70 and 65,561.92

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Solution

The fourth proportional to 154,495.24, 231,555.70 and 65,561.92 is: 98,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,495.24 : 231,555.70 = 65,561.92 : x
  2. Step 2: Convert to fraction form
    154,495.24/231,555.70 = 65,561.92/x
  3. Step 3: Cross multiply
    154,495.24x = 231,555.70 × 65,561.92
  4. Step 4: Simplify right side
    154,495.24x = 15,181,236,278.94
  5. Step 5: Solve for x
    x = 15,181,236,278.94/154,495.24
  6. Step 6: Final answer
    x = 98,263.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.