Home / 416,623.08-624,656.86-136,041.96

Finding the Fourth Proportional to 416,623.08, 624,656.86 and 136,041.96

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Solution

The fourth proportional to 416,623.08, 624,656.86 and 136,041.96 is: 203,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,623.08 : 624,656.86 = 136,041.96 : x
  2. Step 2: Convert to fraction form
    416,623.08/624,656.86 = 136,041.96/x
  3. Step 3: Cross multiply
    416,623.08x = 624,656.86 × 136,041.96
  4. Step 4: Simplify right side
    416,623.08x = 84,979,543,561.85
  5. Step 5: Solve for x
    x = 84,979,543,561.85/416,623.08
  6. Step 6: Final answer
    x = 203,972.24

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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.