Home / 199,621.32-275,533.02-114,765.72

Finding the Fourth Proportional to 199,621.32, 275,533.02 and 114,765.72

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Solution

The fourth proportional to 199,621.32, 275,533.02 and 114,765.72 is: 158,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,621.32 : 275,533.02 = 114,765.72 : x
  2. Step 2: Convert to fraction form
    199,621.32/275,533.02 = 114,765.72/x
  3. Step 3: Cross multiply
    199,621.32x = 275,533.02 × 114,765.72
  4. Step 4: Simplify right side
    199,621.32x = 31,621,745,424.07
  5. Step 5: Solve for x
    x = 31,621,745,424.07/199,621.32
  6. Step 6: Final answer
    x = 158,408.66

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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.