Home / 209,725.08-314,513.51-67,564.62

Finding the Fourth Proportional to 209,725.08, 314,513.51 and 67,564.62

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Solution

The fourth proportional to 209,725.08, 314,513.51 and 67,564.62 is: 101,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,725.08 : 314,513.51 = 67,564.62 : x
  2. Step 2: Convert to fraction form
    209,725.08/314,513.51 = 67,564.62/x
  3. Step 3: Cross multiply
    209,725.08x = 314,513.51 × 67,564.62
  4. Step 4: Simplify right side
    209,725.08x = 21,249,985,450.19
  5. Step 5: Solve for x
    x = 21,249,985,450.19/209,725.08
  6. Step 6: Final answer
    x = 101,323.05

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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.