Home / 127,162.99-190,746.30-38,417.26

Finding the Fourth Proportional to 127,162.99, 190,746.30 and 38,417.26

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Solution

The fourth proportional to 127,162.99, 190,746.30 and 38,417.26 is: 57,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,162.99 : 190,746.30 = 38,417.26 : x
  2. Step 2: Convert to fraction form
    127,162.99/190,746.30 = 38,417.26/x
  3. Step 3: Cross multiply
    127,162.99x = 190,746.30 × 38,417.26
  4. Step 4: Simplify right side
    127,162.99x = 7,327,950,201.14
  5. Step 5: Solve for x
    x = 7,327,950,201.14/127,162.99
  6. Step 6: Final answer
    x = 57,626.44

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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.