Home / 173,520.54-260,045.64-78,632.28

Finding the Fourth Proportional to 173,520.54, 260,045.64 and 78,632.28

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Solution

The fourth proportional to 173,520.54, 260,045.64 and 78,632.28 is: 117,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,520.54 : 260,045.64 = 78,632.28 : x
  2. Step 2: Convert to fraction form
    173,520.54/260,045.64 = 78,632.28/x
  3. Step 3: Cross multiply
    173,520.54x = 260,045.64 × 78,632.28
  4. Step 4: Simplify right side
    173,520.54x = 20,447,981,577.26
  5. Step 5: Solve for x
    x = 20,447,981,577.26/173,520.54
  6. Step 6: Final answer
    x = 117,841.85

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1.5x scale

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.