Home / 120,859.08-181,102.32-64,706.64

Finding the Fourth Proportional to 120,859.08, 181,102.32 and 64,706.64

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Solution

The fourth proportional to 120,859.08, 181,102.32 and 64,706.64 is: 96,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,859.08 : 181,102.32 = 64,706.64 : x
  2. Step 2: Convert to fraction form
    120,859.08/181,102.32 = 64,706.64/x
  3. Step 3: Cross multiply
    120,859.08x = 181,102.32 × 64,706.64
  4. Step 4: Simplify right side
    120,859.08x = 11,718,522,623.40
  5. Step 5: Solve for x
    x = 11,718,522,623.40/120,859.08
  6. Step 6: Final answer
    x = 96,960.22

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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.