Home / 148,667.46-205,230.90-99,692.44

Finding the Fourth Proportional to 148,667.46, 205,230.90 and 99,692.44

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Solution

The fourth proportional to 148,667.46, 205,230.90 and 99,692.44 is: 137,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,667.46 : 205,230.90 = 99,692.44 : x
  2. Step 2: Convert to fraction form
    148,667.46/205,230.90 = 99,692.44/x
  3. Step 3: Cross multiply
    148,667.46x = 205,230.90 × 99,692.44
  4. Step 4: Simplify right side
    148,667.46x = 20,459,969,184.40
  5. Step 5: Solve for x
    x = 20,459,969,184.40/148,667.46
  6. Step 6: Final answer
    x = 137,622.38

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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.