Home / 163,281.22-245,016.43-68,503.02

Finding the Fourth Proportional to 163,281.22, 245,016.43 and 68,503.02

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Solution

The fourth proportional to 163,281.22, 245,016.43 and 68,503.02 is: 102,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,281.22 : 245,016.43 = 68,503.02 : x
  2. Step 2: Convert to fraction form
    163,281.22/245,016.43 = 68,503.02/x
  3. Step 3: Cross multiply
    163,281.22x = 245,016.43 × 68,503.02
  4. Step 4: Simplify right side
    163,281.22x = 16,784,364,314.55
  5. Step 5: Solve for x
    x = 16,784,364,314.55/163,281.22
  6. Step 6: Final answer
    x = 102,794.21

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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.