Home / 173,561.36-260,445.49-77,491.11

Finding the Fourth Proportional to 173,561.36, 260,445.49 and 77,491.11

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Solution

The fourth proportional to 173,561.36, 260,445.49 and 77,491.11 is: 116,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,561.36 : 260,445.49 = 77,491.11 : x
  2. Step 2: Convert to fraction form
    173,561.36/260,445.49 = 77,491.11/x
  3. Step 3: Cross multiply
    173,561.36x = 260,445.49 × 77,491.11
  4. Step 4: Simplify right side
    173,561.36x = 20,182,211,092.23
  5. Step 5: Solve for x
    x = 20,182,211,092.23/173,561.36
  6. Step 6: Final answer
    x = 116,282.86

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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.