Home / 127,723.14-191,584.71-38,977.11

Finding the Fourth Proportional to 127,723.14, 191,584.71 and 38,977.11

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Solution

The fourth proportional to 127,723.14, 191,584.71 and 38,977.11 is: 58,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.14 : 191,584.71 = 38,977.11 : x
  2. Step 2: Convert to fraction form
    127,723.14/191,584.71 = 38,977.11/x
  3. Step 3: Cross multiply
    127,723.14x = 191,584.71 × 38,977.11
  4. Step 4: Simplify right side
    127,723.14x = 7,467,418,315.99
  5. Step 5: Solve for x
    x = 7,467,418,315.99/127,723.14
  6. Step 6: Final answer
    x = 58,465.67

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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.