Home / 111,647.44-154,082.04-63,915.76

Finding the Fourth Proportional to 111,647.44, 154,082.04 and 63,915.76

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Solution

The fourth proportional to 111,647.44, 154,082.04 and 63,915.76 is: 88,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,647.44 : 154,082.04 = 63,915.76 : x
  2. Step 2: Convert to fraction form
    111,647.44/154,082.04 = 63,915.76/x
  3. Step 3: Cross multiply
    111,647.44x = 154,082.04 × 63,915.76
  4. Step 4: Simplify right side
    111,647.44x = 9,848,270,688.95
  5. Step 5: Solve for x
    x = 9,848,270,688.95/111,647.44
  6. Step 6: Final answer
    x = 88,208.66

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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.