Home / 109,003.20-163,274.40-97,329.60

Finding the Fourth Proportional to 109,003.20, 163,274.40 and 97,329.60

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Solution

The fourth proportional to 109,003.20, 163,274.40 and 97,329.60 is: 145,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,003.20 : 163,274.40 = 97,329.60 : x
  2. Step 2: Convert to fraction form
    109,003.20/163,274.40 = 97,329.60/x
  3. Step 3: Cross multiply
    109,003.20x = 163,274.40 × 97,329.60
  4. Step 4: Simplify right side
    109,003.20x = 15,891,432,042.24
  5. Step 5: Solve for x
    x = 15,891,432,042.24/109,003.20
  6. Step 6: Final answer
    x = 145,788.67

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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.