Home / 129,226.48-193,865.76-46,118.32

Finding the Fourth Proportional to 129,226.48, 193,865.76 and 46,118.32

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Solution

The fourth proportional to 129,226.48, 193,865.76 and 46,118.32 is: 69,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,226.48 : 193,865.76 = 46,118.32 : x
  2. Step 2: Convert to fraction form
    129,226.48/193,865.76 = 46,118.32/x
  3. Step 3: Cross multiply
    129,226.48x = 193,865.76 × 46,118.32
  4. Step 4: Simplify right side
    129,226.48x = 8,940,763,156.72
  5. Step 5: Solve for x
    x = 8,940,763,156.72/129,226.48
  6. Step 6: Final answer
    x = 69,186.77

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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.