Home / 109,016.80-163,530.60-56,528.80

Finding the Fourth Proportional to 109,016.80, 163,530.60 and 56,528.80

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Solution

The fourth proportional to 109,016.80, 163,530.60 and 56,528.80 is: 84,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,016.80 : 163,530.60 = 56,528.80 : x
  2. Step 2: Convert to fraction form
    109,016.80/163,530.60 = 56,528.80/x
  3. Step 3: Cross multiply
    109,016.80x = 163,530.60 × 56,528.80
  4. Step 4: Simplify right side
    109,016.80x = 9,244,188,581.28
  5. Step 5: Solve for x
    x = 9,244,188,581.28/109,016.80
  6. Step 6: Final answer
    x = 84,796.00

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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.