Home / 199,368.21-275,127.32-108,723.95

Finding the Fourth Proportional to 199,368.21, 275,127.32 and 108,723.95

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Solution

The fourth proportional to 199,368.21, 275,127.32 and 108,723.95 is: 150,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,368.21 : 275,127.32 = 108,723.95 : x
  2. Step 2: Convert to fraction form
    199,368.21/275,127.32 = 108,723.95/x
  3. Step 3: Cross multiply
    199,368.21x = 275,127.32 × 108,723.95
  4. Step 4: Simplify right side
    199,368.21x = 29,912,927,064.06
  5. Step 5: Solve for x
    x = 29,912,927,064.06/199,368.21
  6. Step 6: Final answer
    x = 150,038.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.