Home / 163,722.84-245,584.27-45,394.18

Finding the Fourth Proportional to 163,722.84, 245,584.27 and 45,394.18

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Solution

The fourth proportional to 163,722.84, 245,584.27 and 45,394.18 is: 68,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,722.84 : 245,584.27 = 45,394.18 : x
  2. Step 2: Convert to fraction form
    163,722.84/245,584.27 = 45,394.18/x
  3. Step 3: Cross multiply
    163,722.84x = 245,584.27 × 45,394.18
  4. Step 4: Simplify right side
    163,722.84x = 11,148,096,557.55
  5. Step 5: Solve for x
    x = 11,148,096,557.55/163,722.84
  6. Step 6: Final answer
    x = 68,091.27

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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.