Home / 108,965.99-163,458.39-30,080.23

Finding the Fourth Proportional to 108,965.99, 163,458.39 and 30,080.23

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Solution

The fourth proportional to 108,965.99, 163,458.39 and 30,080.23 is: 45,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,965.99 : 163,458.39 = 30,080.23 : x
  2. Step 2: Convert to fraction form
    108,965.99/163,458.39 = 30,080.23/x
  3. Step 3: Cross multiply
    108,965.99x = 163,458.39 × 30,080.23
  4. Step 4: Simplify right side
    108,965.99x = 4,916,865,966.63
  5. Step 5: Solve for x
    x = 4,916,865,966.63/108,965.99
  6. Step 6: Final answer
    x = 45,122.94

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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.