Home / 173,521.54-260,047.14-78,633.28

Finding the Fourth Proportional to 173,521.54, 260,047.14 and 78,633.28

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Solution

The fourth proportional to 173,521.54, 260,047.14 and 78,633.28 is: 117,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,521.54 : 260,047.14 = 78,633.28 : x
  2. Step 2: Convert to fraction form
    173,521.54/260,047.14 = 78,633.28/x
  3. Step 3: Cross multiply
    173,521.54x = 260,047.14 × 78,633.28
  4. Step 4: Simplify right side
    173,521.54x = 20,448,359,572.82
  5. Step 5: Solve for x
    x = 20,448,359,572.82/173,521.54
  6. Step 6: Final answer
    x = 117,843.35

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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.