Home / 127,939.39-191,933.69-39,193.67

Finding the Fourth Proportional to 127,939.39, 191,933.69 and 39,193.67

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Solution

The fourth proportional to 127,939.39, 191,933.69 and 39,193.67 is: 58,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939.39 : 191,933.69 = 39,193.67 : x
  2. Step 2: Convert to fraction form
    127,939.39/191,933.69 = 39,193.67/x
  3. Step 3: Cross multiply
    127,939.39x = 191,933.69 × 39,193.67
  4. Step 4: Simplify right side
    127,939.39x = 7,522,585,991.61
  5. Step 5: Solve for x
    x = 7,522,585,991.61/127,939.39
  6. Step 6: Final answer
    x = 58,798.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.