Home / 127,349.24-191,012.86-43,107.60

Finding the Fourth Proportional to 127,349.24, 191,012.86 and 43,107.60

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Solution

The fourth proportional to 127,349.24, 191,012.86 and 43,107.60 is: 64,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,349.24 : 191,012.86 = 43,107.60 : x
  2. Step 2: Convert to fraction form
    127,349.24/191,012.86 = 43,107.60/x
  3. Step 3: Cross multiply
    127,349.24x = 191,012.86 × 43,107.60
  4. Step 4: Simplify right side
    127,349.24x = 8,234,105,748.20
  5. Step 5: Solve for x
    x = 8,234,105,748.20/127,349.24
  6. Step 6: Final answer
    x = 64,657.67

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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.