Home / 108,836.99-163,192.06-42,199.28

Finding the Fourth Proportional to 108,836.99, 163,192.06 and 42,199.28

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Solution

The fourth proportional to 108,836.99, 163,192.06 and 42,199.28 is: 63,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,836.99 : 163,192.06 = 42,199.28 : x
  2. Step 2: Convert to fraction form
    108,836.99/163,192.06 = 42,199.28/x
  3. Step 3: Cross multiply
    108,836.99x = 163,192.06 × 42,199.28
  4. Step 4: Simplify right side
    108,836.99x = 6,886,586,736.45
  5. Step 5: Solve for x
    x = 6,886,586,736.45/108,836.99
  6. Step 6: Final answer
    x = 63,274.32

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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.