Home / 163,545.20-245,317.60-51,234.16

Finding the Fourth Proportional to 163,545.20, 245,317.60 and 51,234.16

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Solution

The fourth proportional to 163,545.20, 245,317.60 and 51,234.16 is: 76,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545.20 : 245,317.60 = 51,234.16 : x
  2. Step 2: Convert to fraction form
    163,545.20/245,317.60 = 51,234.16/x
  3. Step 3: Cross multiply
    163,545.20x = 245,317.60 × 51,234.16
  4. Step 4: Simplify right side
    163,545.20x = 12,568,640,913.05
  5. Step 5: Solve for x
    x = 12,568,640,913.05/163,545.20
  6. Step 6: Final answer
    x = 76,851.18

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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.