Home / 100,902.26-151,347.75-30,776.06

Finding the Fourth Proportional to 100,902.26, 151,347.75 and 30,776.06

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Solution

The fourth proportional to 100,902.26, 151,347.75 and 30,776.06 is: 46,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,902.26 : 151,347.75 = 30,776.06 : x
  2. Step 2: Convert to fraction form
    100,902.26/151,347.75 = 30,776.06/x
  3. Step 3: Cross multiply
    100,902.26x = 151,347.75 × 30,776.06
  4. Step 4: Simplify right side
    100,902.26x = 4,657,887,434.87
  5. Step 5: Solve for x
    x = 4,657,887,434.87/100,902.26
  6. Step 6: Final answer
    x = 46,162.37

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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.