Home / 209,559.93-314,150.36-76,409.04

Finding the Fourth Proportional to 209,559.93, 314,150.36 and 76,409.04

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Solution

The fourth proportional to 209,559.93, 314,150.36 and 76,409.04 is: 114,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,559.93 : 314,150.36 = 76,409.04 : x
  2. Step 2: Convert to fraction form
    209,559.93/314,150.36 = 76,409.04/x
  3. Step 3: Cross multiply
    209,559.93x = 314,150.36 × 76,409.04
  4. Step 4: Simplify right side
    209,559.93x = 24,003,928,208.63
  5. Step 5: Solve for x
    x = 24,003,928,208.63/209,559.93
  6. Step 6: Final answer
    x = 114,544.46

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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.