Home / 137,025.88-189,091.73-76,596.64

Finding the Fourth Proportional to 137,025.88, 189,091.73 and 76,596.64

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Solution

The fourth proportional to 137,025.88, 189,091.73 and 76,596.64 is: 105,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,025.88 : 189,091.73 = 76,596.64 : x
  2. Step 2: Convert to fraction form
    137,025.88/189,091.73 = 76,596.64/x
  3. Step 3: Cross multiply
    137,025.88x = 189,091.73 × 76,596.64
  4. Step 4: Simplify right side
    137,025.88x = 14,483,791,169.79
  5. Step 5: Solve for x
    x = 14,483,791,169.79/137,025.88
  6. Step 6: Final answer
    x = 105,701.14

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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.