Home / 119,258.32-178,885.62-30,511.06

Finding the Fourth Proportional to 119,258.32, 178,885.62 and 30,511.06

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Solution

The fourth proportional to 119,258.32, 178,885.62 and 30,511.06 is: 45,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,258.32 : 178,885.62 = 30,511.06 : x
  2. Step 2: Convert to fraction form
    119,258.32/178,885.62 = 30,511.06/x
  3. Step 3: Cross multiply
    119,258.32x = 178,885.62 × 30,511.06
  4. Step 4: Simplify right side
    119,258.32x = 5,457,989,884.96
  5. Step 5: Solve for x
    x = 5,457,989,884.96/119,258.32
  6. Step 6: Final answer
    x = 45,766.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.