Home / 310,534.28-465,801.19-100,172.22

Finding the Fourth Proportional to 310,534.28, 465,801.19 and 100,172.22

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Solution

The fourth proportional to 310,534.28, 465,801.19 and 100,172.22 is: 150,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,534.28 : 465,801.19 = 100,172.22 : x
  2. Step 2: Convert to fraction form
    310,534.28/465,801.19 = 100,172.22/x
  3. Step 3: Cross multiply
    310,534.28x = 465,801.19 × 100,172.22
  4. Step 4: Simplify right side
    310,534.28x = 46,660,339,280.94
  5. Step 5: Solve for x
    x = 46,660,339,280.94/310,534.28
  6. Step 6: Final answer
    x = 150,258.26

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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.