Home / 199,705.47-275,595.74-109,064.10

Finding the Fourth Proportional to 199,705.47, 275,595.74 and 109,064.10

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Solution

The fourth proportional to 199,705.47, 275,595.74 and 109,064.10 is: 150,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,705.47 : 275,595.74 = 109,064.10 : x
  2. Step 2: Convert to fraction form
    199,705.47/275,595.74 = 109,064.10/x
  3. Step 3: Cross multiply
    199,705.47x = 275,595.74 × 109,064.10
  4. Step 4: Simplify right side
    199,705.47x = 30,057,601,360.95
  5. Step 5: Solve for x
    x = 30,057,601,360.95/199,705.47
  6. Step 6: Final answer
    x = 150,509.66

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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.