Home / 209,342.17-314,014.16-67,209.04

Finding the Fourth Proportional to 209,342.17, 314,014.16 and 67,209.04

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Solution

The fourth proportional to 209,342.17, 314,014.16 and 67,209.04 is: 100,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,342.17 : 314,014.16 = 67,209.04 : x
  2. Step 2: Convert to fraction form
    209,342.17/314,014.16 = 67,209.04/x
  3. Step 3: Cross multiply
    209,342.17x = 314,014.16 × 67,209.04
  4. Step 4: Simplify right side
    209,342.17x = 21,104,588,333.89
  5. Step 5: Solve for x
    x = 21,104,588,333.89/209,342.17
  6. Step 6: Final answer
    x = 100,813.84

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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.