Home / 127,704.37-191,586.57-38,957.89

Finding the Fourth Proportional to 127,704.37, 191,586.57 and 38,957.89

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Solution

The fourth proportional to 127,704.37, 191,586.57 and 38,957.89 is: 58,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,704.37 : 191,586.57 = 38,957.89 : x
  2. Step 2: Convert to fraction form
    127,704.37/191,586.57 = 38,957.89/x
  3. Step 3: Cross multiply
    127,704.37x = 191,586.57 × 38,957.89
  4. Step 4: Simplify right side
    127,704.37x = 7,463,808,519.54
  5. Step 5: Solve for x
    x = 7,463,808,519.54/127,704.37
  6. Step 6: Final answer
    x = 58,445.99

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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.