Home / 168,853.46-253,280.66-69,013.67

Finding the Fourth Proportional to 168,853.46, 253,280.66 and 69,013.67

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Solution

The fourth proportional to 168,853.46, 253,280.66 and 69,013.67 is: 103,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,853.46 : 253,280.66 = 69,013.67 : x
  2. Step 2: Convert to fraction form
    168,853.46/253,280.66 = 69,013.67/x
  3. Step 3: Cross multiply
    168,853.46x = 253,280.66 × 69,013.67
  4. Step 4: Simplify right side
    168,853.46x = 17,479,826,275.15
  5. Step 5: Solve for x
    x = 17,479,826,275.15/168,853.46
  6. Step 6: Final answer
    x = 103,520.69

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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.