Home / 217,739.80-326,609.70-93,093.40

Finding the Fourth Proportional to 217,739.80, 326,609.70 and 93,093.40

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Solution

The fourth proportional to 217,739.80, 326,609.70 and 93,093.40 is: 139,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,739.80 : 326,609.70 = 93,093.40 : x
  2. Step 2: Convert to fraction form
    217,739.80/326,609.70 = 93,093.40/x
  3. Step 3: Cross multiply
    217,739.80x = 326,609.70 × 93,093.40
  4. Step 4: Simplify right side
    217,739.80x = 30,405,207,445.98
  5. Step 5: Solve for x
    x = 30,405,207,445.98/217,739.80
  6. Step 6: Final answer
    x = 139,640.10

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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.