Home / 115,899.70-173,849.55-100,693.30

Finding the Fourth Proportional to 115,899.70, 173,849.55 and 100,693.30

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Solution

The fourth proportional to 115,899.70, 173,849.55 and 100,693.30 is: 151,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,899.70 : 173,849.55 = 100,693.30 : x
  2. Step 2: Convert to fraction form
    115,899.70/173,849.55 = 100,693.30/x
  3. Step 3: Cross multiply
    115,899.70x = 173,849.55 × 100,693.30
  4. Step 4: Simplify right side
    115,899.70x = 17,505,484,893.02
  5. Step 5: Solve for x
    x = 17,505,484,893.02/115,899.70
  6. Step 6: Final answer
    x = 151,039.95

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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.