Home / 127,485.36-191,315.16-44,379.36

Finding the Fourth Proportional to 127,485.36, 191,315.16 and 44,379.36

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Solution

The fourth proportional to 127,485.36, 191,315.16 and 44,379.36 is: 66,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,485.36 : 191,315.16 = 44,379.36 : x
  2. Step 2: Convert to fraction form
    127,485.36/191,315.16 = 44,379.36/x
  3. Step 3: Cross multiply
    127,485.36x = 191,315.16 × 44,379.36
  4. Step 4: Simplify right side
    127,485.36x = 8,490,444,359.10
  5. Step 5: Solve for x
    x = 8,490,444,359.10/127,485.36
  6. Step 6: Final answer
    x = 66,599.37

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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.