Home / 100,688.47-151,000.42-33,205.35

Finding the Fourth Proportional to 100,688.47, 151,000.42 and 33,205.35

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Solution

The fourth proportional to 100,688.47, 151,000.42 and 33,205.35 is: 49,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,688.47 : 151,000.42 = 33,205.35 : x
  2. Step 2: Convert to fraction form
    100,688.47/151,000.42 = 33,205.35/x
  3. Step 3: Cross multiply
    100,688.47x = 151,000.42 × 33,205.35
  4. Step 4: Simplify right side
    100,688.47x = 5,014,021,630.22
  5. Step 5: Solve for x
    x = 5,014,021,630.22/100,688.47
  6. Step 6: Final answer
    x = 49,797.38

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1.5x scale

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.