Home / 105,183.84-145,152.60-57,437.04

Finding the Fourth Proportional to 105,183.84, 145,152.60 and 57,437.04

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Solution

The fourth proportional to 105,183.84, 145,152.60 and 57,437.04 is: 79,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,183.84 : 145,152.60 = 57,437.04 : x
  2. Step 2: Convert to fraction form
    105,183.84/145,152.60 = 57,437.04/x
  3. Step 3: Cross multiply
    105,183.84x = 145,152.60 × 57,437.04
  4. Step 4: Simplify right side
    105,183.84x = 8,337,135,692.30
  5. Step 5: Solve for x
    x = 8,337,135,692.30/105,183.84
  6. Step 6: Final answer
    x = 79,262.51

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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.