Home / 178,179.70-245,690.94-113,546.55

Finding the Fourth Proportional to 178,179.70, 245,690.94 and 113,546.55

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Solution

The fourth proportional to 178,179.70, 245,690.94 and 113,546.55 is: 156,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,179.70 : 245,690.94 = 113,546.55 : x
  2. Step 2: Convert to fraction form
    178,179.70/245,690.94 = 113,546.55/x
  3. Step 3: Cross multiply
    178,179.70x = 245,690.94 × 113,546.55
  4. Step 4: Simplify right side
    178,179.70x = 27,897,358,603.26
  5. Step 5: Solve for x
    x = 27,897,358,603.26/178,179.70
  6. Step 6: Final answer
    x = 156,568.67

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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.