Home / 164,532.43-227,015.70-100,000.54

Finding the Fourth Proportional to 164,532.43, 227,015.70 and 100,000.54

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Solution

The fourth proportional to 164,532.43, 227,015.70 and 100,000.54 is: 137,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,532.43 : 227,015.70 = 100,000.54 : x
  2. Step 2: Convert to fraction form
    164,532.43/227,015.70 = 100,000.54/x
  3. Step 3: Cross multiply
    164,532.43x = 227,015.70 × 100,000.54
  4. Step 4: Simplify right side
    164,532.43x = 22,701,692,588.48
  5. Step 5: Solve for x
    x = 22,701,692,588.48/164,532.43
  6. Step 6: Final answer
    x = 137,977.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.