Home / 163,694.12-245,225.82-137,082.92

Finding the Fourth Proportional to 163,694.12, 245,225.82 and 137,082.92

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Solution

The fourth proportional to 163,694.12, 245,225.82 and 137,082.92 is: 205,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,694.12 : 245,225.82 = 137,082.92 : x
  2. Step 2: Convert to fraction form
    163,694.12/245,225.82 = 137,082.92/x
  3. Step 3: Cross multiply
    163,694.12x = 245,225.82 × 137,082.92
  4. Step 4: Simplify right side
    163,694.12x = 33,616,271,464.99
  5. Step 5: Solve for x
    x = 33,616,271,464.99/163,694.12
  6. Step 6: Final answer
    x = 205,360.29

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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.