Home / 112,099.20-154,692.16-61,110.84

Finding the Fourth Proportional to 112,099.20, 154,692.16 and 61,110.84

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Solution

The fourth proportional to 112,099.20, 154,692.16 and 61,110.84 is: 84,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.20 : 154,692.16 = 61,110.84 : x
  2. Step 2: Convert to fraction form
    112,099.20/154,692.16 = 61,110.84/x
  3. Step 3: Cross multiply
    112,099.20x = 154,692.16 × 61,110.84
  4. Step 4: Simplify right side
    112,099.20x = 9,453,367,839.01
  5. Step 5: Solve for x
    x = 9,453,367,839.01/112,099.20
  6. Step 6: Final answer
    x = 84,330.38

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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.