Home / 168,931.20-253,364.40-50,606.40

Finding the Fourth Proportional to 168,931.20, 253,364.40 and 50,606.40

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Solution

The fourth proportional to 168,931.20, 253,364.40 and 50,606.40 is: 75,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,931.20 : 253,364.40 = 50,606.40 : x
  2. Step 2: Convert to fraction form
    168,931.20/253,364.40 = 50,606.40/x
  3. Step 3: Cross multiply
    168,931.20x = 253,364.40 × 50,606.40
  4. Step 4: Simplify right side
    168,931.20x = 12,821,860,172.16
  5. Step 5: Solve for x
    x = 12,821,860,172.16/168,931.20
  6. Step 6: Final answer
    x = 75,899.89

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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.