Home / 199,655.02-275,516.05-109,014.80

Finding the Fourth Proportional to 199,655.02, 275,516.05 and 109,014.80

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Solution

The fourth proportional to 199,655.02, 275,516.05 and 109,014.80 is: 150,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,655.02 : 275,516.05 = 109,014.80 : x
  2. Step 2: Convert to fraction form
    199,655.02/275,516.05 = 109,014.80/x
  3. Step 3: Cross multiply
    199,655.02x = 275,516.05 × 109,014.80
  4. Step 4: Simplify right side
    199,655.02x = 30,035,326,542.47
  5. Step 5: Solve for x
    x = 30,035,326,542.47/199,655.02
  6. Step 6: Final answer
    x = 150,436.12

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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.