Home / 100,852.16-151,300.91-30,738.56

Finding the Fourth Proportional to 100,852.16, 151,300.91 and 30,738.56

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Solution

The fourth proportional to 100,852.16, 151,300.91 and 30,738.56 is: 46,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,852.16 : 151,300.91 = 30,738.56 : x
  2. Step 2: Convert to fraction form
    100,852.16/151,300.91 = 30,738.56/x
  3. Step 3: Cross multiply
    100,852.16x = 151,300.91 × 30,738.56
  4. Step 4: Simplify right side
    100,852.16x = 4,650,771,420.43
  5. Step 5: Solve for x
    x = 4,650,771,420.43/100,852.16
  6. Step 6: Final answer
    x = 46,114.75

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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.