Home / 207,050.22-310,366.08-80,611.65

Finding the Fourth Proportional to 207,050.22, 310,366.08 and 80,611.65

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Solution

The fourth proportional to 207,050.22, 310,366.08 and 80,611.65 is: 120,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,050.22 : 310,366.08 = 80,611.65 : x
  2. Step 2: Convert to fraction form
    207,050.22/310,366.08 = 80,611.65/x
  3. Step 3: Cross multiply
    207,050.22x = 310,366.08 × 80,611.65
  4. Step 4: Simplify right side
    207,050.22x = 25,019,121,812.83
  5. Step 5: Solve for x
    x = 25,019,121,812.83/207,050.22
  6. Step 6: Final answer
    x = 120,836.01

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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.