Home / 137,050.08-189,133.26-76,623.27

Finding the Fourth Proportional to 137,050.08, 189,133.26 and 76,623.27

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Solution

The fourth proportional to 137,050.08, 189,133.26 and 76,623.27 is: 105,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,050.08 : 189,133.26 = 76,623.27 : x
  2. Step 2: Convert to fraction form
    137,050.08/189,133.26 = 76,623.27/x
  3. Step 3: Cross multiply
    137,050.08x = 189,133.26 × 76,623.27
  4. Step 4: Simplify right side
    137,050.08x = 14,492,008,846.96
  5. Step 5: Solve for x
    x = 14,492,008,846.96/137,050.08
  6. Step 6: Final answer
    x = 105,742.43

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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.