Home / 137,524.70-189,783.83-77,095.33

Finding the Fourth Proportional to 137,524.70, 189,783.83 and 77,095.33

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Solution

The fourth proportional to 137,524.70, 189,783.83 and 77,095.33 is: 106,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,524.70 : 189,783.83 = 77,095.33 : x
  2. Step 2: Convert to fraction form
    137,524.70/189,783.83 = 77,095.33/x
  3. Step 3: Cross multiply
    137,524.70x = 189,783.83 × 77,095.33
  4. Step 4: Simplify right side
    137,524.70x = 14,631,446,720.79
  5. Step 5: Solve for x
    x = 14,631,446,720.79/137,524.70
  6. Step 6: Final answer
    x = 106,391.41

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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.