Home / 127,913.01-191,893.20-43,668.55

Finding the Fourth Proportional to 127,913.01, 191,893.20 and 43,668.55

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Solution

The fourth proportional to 127,913.01, 191,893.20 and 43,668.55 is: 65,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,913.01 : 191,893.20 = 43,668.55 : x
  2. Step 2: Convert to fraction form
    127,913.01/191,893.20 = 43,668.55/x
  3. Step 3: Cross multiply
    127,913.01x = 191,893.20 × 43,668.55
  4. Step 4: Simplify right side
    127,913.01x = 8,379,697,798.86
  5. Step 5: Solve for x
    x = 8,379,697,798.86/127,913.01
  6. Step 6: Final answer
    x = 65,510.91

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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.