Home / 112,258.62-154,915.47-61,954.38

Finding the Fourth Proportional to 112,258.62, 154,915.47 and 61,954.38

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Solution

The fourth proportional to 112,258.62, 154,915.47 and 61,954.38 is: 85,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.62 : 154,915.47 = 61,954.38 : x
  2. Step 2: Convert to fraction form
    112,258.62/154,915.47 = 61,954.38/x
  3. Step 3: Cross multiply
    112,258.62x = 154,915.47 × 61,954.38
  4. Step 4: Simplify right side
    112,258.62x = 9,597,691,896.26
  5. Step 5: Solve for x
    x = 9,597,691,896.26/112,258.62
  6. Step 6: Final answer
    x = 85,496.26

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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.