Home / 120,683.52-166,535.19-69,692.40

Finding the Fourth Proportional to 120,683.52, 166,535.19 and 69,692.40

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Solution

The fourth proportional to 120,683.52, 166,535.19 and 69,692.40 is: 96,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,683.52 : 166,535.19 = 69,692.40 : x
  2. Step 2: Convert to fraction form
    120,683.52/166,535.19 = 69,692.40/x
  3. Step 3: Cross multiply
    120,683.52x = 166,535.19 × 69,692.40
  4. Step 4: Simplify right side
    120,683.52x = 11,606,237,075.56
  5. Step 5: Solve for x
    x = 11,606,237,075.56/120,683.52
  6. Step 6: Final answer
    x = 96,170.85

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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.