Home / 217,114.36-325,692.18-67,356.28

Finding the Fourth Proportional to 217,114.36, 325,692.18 and 67,356.28

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Solution

The fourth proportional to 217,114.36, 325,692.18 and 67,356.28 is: 101,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,114.36 : 325,692.18 = 67,356.28 : x
  2. Step 2: Convert to fraction form
    217,114.36/325,692.18 = 67,356.28/x
  3. Step 3: Cross multiply
    217,114.36x = 325,692.18 × 67,356.28
  4. Step 4: Simplify right side
    217,114.36x = 21,937,413,669.89
  5. Step 5: Solve for x
    x = 21,937,413,669.89/217,114.36
  6. Step 6: Final answer
    x = 101,040.82

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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.