Home / 108,803.40-163,202.94-71,598.48

Finding the Fourth Proportional to 108,803.40, 163,202.94 and 71,598.48

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Solution

The fourth proportional to 108,803.40, 163,202.94 and 71,598.48 is: 107,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803.40 : 163,202.94 = 71,598.48 : x
  2. Step 2: Convert to fraction form
    108,803.40/163,202.94 = 71,598.48/x
  3. Step 3: Cross multiply
    108,803.40x = 163,202.94 × 71,598.48
  4. Step 4: Simplify right side
    108,803.40x = 11,685,082,435.53
  5. Step 5: Solve for x
    x = 11,685,082,435.53/108,803.40
  6. Step 6: Final answer
    x = 107,396.30

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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.