Home / 247,555.82-341,626.74-134,378.57

Finding the Fourth Proportional to 247,555.82, 341,626.74 and 134,378.57

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Solution

The fourth proportional to 247,555.82, 341,626.74 and 134,378.57 is: 185,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,555.82 : 341,626.74 = 134,378.57 : x
  2. Step 2: Convert to fraction form
    247,555.82/341,626.74 = 134,378.57/x
  3. Step 3: Cross multiply
    247,555.82x = 341,626.74 × 134,378.57
  4. Step 4: Simplify right side
    247,555.82x = 45,907,312,794.96
  5. Step 5: Solve for x
    x = 45,907,312,794.96/247,555.82
  6. Step 6: Final answer
    x = 185,442.27

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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.