Home / 125,212.97-172,693.37-110,073.53

Finding the Fourth Proportional to 125,212.97, 172,693.37 and 110,073.53

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Solution

The fourth proportional to 125,212.97, 172,693.37 and 110,073.53 is: 151,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,212.97 : 172,693.37 = 110,073.53 : x
  2. Step 2: Convert to fraction form
    125,212.97/172,693.37 = 110,073.53/x
  3. Step 3: Cross multiply
    125,212.97x = 172,693.37 × 110,073.53
  4. Step 4: Simplify right side
    125,212.97x = 19,008,969,550.41
  5. Step 5: Solve for x
    x = 19,008,969,550.41/125,212.97
  6. Step 6: Final answer
    x = 151,813.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.