Home / 100,543.37-150,814.91-25,663.52

Finding the Fourth Proportional to 100,543.37, 150,814.91 and 25,663.52

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Solution

The fourth proportional to 100,543.37, 150,814.91 and 25,663.52 is: 38,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,543.37 : 150,814.91 = 25,663.52 : x
  2. Step 2: Convert to fraction form
    100,543.37/150,814.91 = 25,663.52/x
  3. Step 3: Cross multiply
    100,543.37x = 150,814.91 × 25,663.52
  4. Step 4: Simplify right side
    100,543.37x = 3,870,441,900.28
  5. Step 5: Solve for x
    x = 3,870,441,900.28/100,543.37
  6. Step 6: Final answer
    x = 38,495.25

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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.