Home / 163,616.13-245,396.82-45,299.43

Finding the Fourth Proportional to 163,616.13, 245,396.82 and 45,299.43

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Solution

The fourth proportional to 163,616.13, 245,396.82 and 45,299.43 is: 67,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,616.13 : 245,396.82 = 45,299.43 : x
  2. Step 2: Convert to fraction form
    163,616.13/245,396.82 = 45,299.43/x
  3. Step 3: Cross multiply
    163,616.13x = 245,396.82 × 45,299.43
  4. Step 4: Simplify right side
    163,616.13x = 11,116,336,069.81
  5. Step 5: Solve for x
    x = 11,116,336,069.81/163,616.13
  6. Step 6: Final answer
    x = 67,941.57

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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.