Home / 530,445.92-795,661.10-131,086.68

Finding the Fourth Proportional to 530,445.92, 795,661.10 and 131,086.68

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Solution

The fourth proportional to 530,445.92, 795,661.10 and 131,086.68 is: 196,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,445.92 : 795,661.10 = 131,086.68 : x
  2. Step 2: Convert to fraction form
    530,445.92/795,661.10 = 131,086.68/x
  3. Step 3: Cross multiply
    530,445.92x = 795,661.10 × 131,086.68
  4. Step 4: Simplify right side
    530,445.92x = 104,300,571,348.72
  5. Step 5: Solve for x
    x = 104,300,571,348.72/530,445.92
  6. Step 6: Final answer
    x = 196,628.10

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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.