Home / 110,515.08-165,772.47-51,318.38

Finding the Fourth Proportional to 110,515.08, 165,772.47 and 51,318.38

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Solution

The fourth proportional to 110,515.08, 165,772.47 and 51,318.38 is: 76,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,515.08 : 165,772.47 = 51,318.38 : x
  2. Step 2: Convert to fraction form
    110,515.08/165,772.47 = 51,318.38/x
  3. Step 3: Cross multiply
    110,515.08x = 165,772.47 × 51,318.38
  4. Step 4: Simplify right side
    110,515.08x = 8,507,174,609.00
  5. Step 5: Solve for x
    x = 8,507,174,609.00/110,515.08
  6. Step 6: Final answer
    x = 76,977.50

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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.