Home / 209,529.68-314,323.86-67,327.16

Finding the Fourth Proportional to 209,529.68, 314,323.86 and 67,327.16

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Solution

The fourth proportional to 209,529.68, 314,323.86 and 67,327.16 is: 101,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,529.68 : 314,323.86 = 67,327.16 : x
  2. Step 2: Convert to fraction form
    209,529.68/314,323.86 = 67,327.16/x
  3. Step 3: Cross multiply
    209,529.68x = 314,323.86 × 67,327.16
  4. Step 4: Simplify right side
    209,529.68x = 21,162,532,814.04
  5. Step 5: Solve for x
    x = 21,162,532,814.04/209,529.68
  6. Step 6: Final answer
    x = 101,000.17

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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.