Home / 209,518.71-314,102.03-169,977.75

Finding the Fourth Proportional to 209,518.71, 314,102.03 and 169,977.75

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Solution

The fourth proportional to 209,518.71, 314,102.03 and 169,977.75 is: 254,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,518.71 : 314,102.03 = 169,977.75 : x
  2. Step 2: Convert to fraction form
    209,518.71/314,102.03 = 169,977.75/x
  3. Step 3: Cross multiply
    209,518.71x = 314,102.03 × 169,977.75
  4. Step 4: Simplify right side
    209,518.71x = 53,390,355,479.94
  5. Step 5: Solve for x
    x = 53,390,355,479.94/209,518.71
  6. Step 6: Final answer
    x = 254,823.81

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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.