Home / 189,968.34-262,155.24-105,083.58

Finding the Fourth Proportional to 189,968.34, 262,155.24 and 105,083.58

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Solution

The fourth proportional to 189,968.34, 262,155.24 and 105,083.58 is: 145,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,968.34 : 262,155.24 = 105,083.58 : x
  2. Step 2: Convert to fraction form
    189,968.34/262,155.24 = 105,083.58/x
  3. Step 3: Cross multiply
    189,968.34x = 262,155.24 × 105,083.58
  4. Step 4: Simplify right side
    189,968.34x = 27,548,211,134.96
  5. Step 5: Solve for x
    x = 27,548,211,134.96/189,968.34
  6. Step 6: Final answer
    x = 145,014.75

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1.5x scale

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.