Home / 109,504.40-163,464.56-96,218.40

Finding the Fourth Proportional to 109,504.40, 163,464.56 and 96,218.40

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Solution

The fourth proportional to 109,504.40, 163,464.56 and 96,218.40 is: 143,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,504.40 : 163,464.56 = 96,218.40 : x
  2. Step 2: Convert to fraction form
    109,504.40/163,464.56 = 96,218.40/x
  3. Step 3: Cross multiply
    109,504.40x = 163,464.56 × 96,218.40
  4. Step 4: Simplify right side
    109,504.40x = 15,728,298,419.90
  5. Step 5: Solve for x
    x = 15,728,298,419.90/109,504.40
  6. Step 6: Final answer
    x = 143,631.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.