Home / 264,547.11-396,835.64-84,648.35

Finding the Fourth Proportional to 264,547.11, 396,835.64 and 84,648.35

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Solution

The fourth proportional to 264,547.11, 396,835.64 and 84,648.35 is: 126,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,547.11 : 396,835.64 = 84,648.35 : x
  2. Step 2: Convert to fraction form
    264,547.11/396,835.64 = 84,648.35/x
  3. Step 3: Cross multiply
    264,547.11x = 396,835.64 × 84,648.35
  4. Step 4: Simplify right side
    264,547.11x = 33,591,479,951.39
  5. Step 5: Solve for x
    x = 33,591,479,951.39/264,547.11
  6. Step 6: Final answer
    x = 126,977.31

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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.