Home / 127,245.98-190,614.18-76,616.84

Finding the Fourth Proportional to 127,245.98, 190,614.18 and 76,616.84

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Solution

The fourth proportional to 127,245.98, 190,614.18 and 76,616.84 is: 114,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,245.98 : 190,614.18 = 76,616.84 : x
  2. Step 2: Convert to fraction form
    127,245.98/190,614.18 = 76,616.84/x
  3. Step 3: Cross multiply
    127,245.98x = 190,614.18 × 76,616.84
  4. Step 4: Simplify right side
    127,245.98x = 14,604,256,130.79
  5. Step 5: Solve for x
    x = 14,604,256,130.79/127,245.98
  6. Step 6: Final answer
    x = 114,771.85

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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.