Home / 101,128.16-151,692.28-94,895.21

Finding the Fourth Proportional to 101,128.16, 151,692.28 and 94,895.21

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Solution

The fourth proportional to 101,128.16, 151,692.28 and 94,895.21 is: 142,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,128.16 : 151,692.28 = 94,895.21 : x
  2. Step 2: Convert to fraction form
    101,128.16/151,692.28 = 94,895.21/x
  3. Step 3: Cross multiply
    101,128.16x = 151,692.28 × 94,895.21
  4. Step 4: Simplify right side
    101,128.16x = 14,394,870,907.97
  5. Step 5: Solve for x
    x = 14,394,870,907.97/101,128.16
  6. Step 6: Final answer
    x = 142,342.85

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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.