Home / 112,258.86-154,906.20-61,954.62

Finding the Fourth Proportional to 112,258.86, 154,906.20 and 61,954.62

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Solution

The fourth proportional to 112,258.86, 154,906.20 and 61,954.62 is: 85,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.86 : 154,906.20 = 61,954.62 : x
  2. Step 2: Convert to fraction form
    112,258.86/154,906.20 = 61,954.62/x
  3. Step 3: Cross multiply
    112,258.86x = 154,906.20 × 61,954.62
  4. Step 4: Simplify right side
    112,258.86x = 9,597,154,756.64
  5. Step 5: Solve for x
    x = 9,597,154,756.64/112,258.86
  6. Step 6: Final answer
    x = 85,491.29

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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.