Home / 336,421.35-504,729.23-99,769.73

Finding the Fourth Proportional to 336,421.35, 504,729.23 and 99,769.73

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Solution

The fourth proportional to 336,421.35, 504,729.23 and 99,769.73 is: 149,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,421.35 : 504,729.23 = 99,769.73 : x
  2. Step 2: Convert to fraction form
    336,421.35/504,729.23 = 99,769.73/x
  3. Step 3: Cross multiply
    336,421.35x = 504,729.23 × 99,769.73
  4. Step 4: Simplify right side
    336,421.35x = 50,356,695,977.71
  5. Step 5: Solve for x
    x = 50,356,695,977.71/336,421.35
  6. Step 6: Final answer
    x = 149,683.41

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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.