Home / 109,033.20-163,319.40-97,359.60

Finding the Fourth Proportional to 109,033.20, 163,319.40 and 97,359.60

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Solution

The fourth proportional to 109,033.20, 163,319.40 and 97,359.60 is: 145,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,033.20 : 163,319.40 = 97,359.60 : x
  2. Step 2: Convert to fraction form
    109,033.20/163,319.40 = 97,359.60/x
  3. Step 3: Cross multiply
    109,033.20x = 163,319.40 × 97,359.60
  4. Step 4: Simplify right side
    109,033.20x = 15,900,711,456.24
  5. Step 5: Solve for x
    x = 15,900,711,456.24/109,033.20
  6. Step 6: Final answer
    x = 145,833.67

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1.5x scale

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.