Home / 127,517.63-191,284.34-38,777.67

Finding the Fourth Proportional to 127,517.63, 191,284.34 and 38,777.67

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Solution

The fourth proportional to 127,517.63, 191,284.34 and 38,777.67 is: 58,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.63 : 191,284.34 = 38,777.67 : x
  2. Step 2: Convert to fraction form
    127,517.63/191,284.34 = 38,777.67/x
  3. Step 3: Cross multiply
    127,517.63x = 191,284.34 × 38,777.67
  4. Step 4: Simplify right side
    127,517.63x = 7,417,560,818.80
  5. Step 5: Solve for x
    x = 7,417,560,818.80/127,517.63
  6. Step 6: Final answer
    x = 58,168.91

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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.