Home / 217,977.60-326,747.70-99,733.80

Finding the Fourth Proportional to 217,977.60, 326,747.70 and 99,733.80

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Solution

The fourth proportional to 217,977.60, 326,747.70 and 99,733.80 is: 149,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,977.60 : 326,747.70 = 99,733.80 : x
  2. Step 2: Convert to fraction form
    217,977.60/326,747.70 = 99,733.80/x
  3. Step 3: Cross multiply
    217,977.60x = 326,747.70 × 99,733.80
  4. Step 4: Simplify right side
    217,977.60x = 32,587,789,762.26
  5. Step 5: Solve for x
    x = 32,587,789,762.26/217,977.60
  6. Step 6: Final answer
    x = 149,500.64

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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.