Home / 125,222.12-187,828.32-50,319.80

Finding the Fourth Proportional to 125,222.12, 187,828.32 and 50,319.80

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Solution

The fourth proportional to 125,222.12, 187,828.32 and 50,319.80 is: 75,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,222.12 : 187,828.32 = 50,319.80 : x
  2. Step 2: Convert to fraction form
    125,222.12/187,828.32 = 50,319.80/x
  3. Step 3: Cross multiply
    125,222.12x = 187,828.32 × 50,319.80
  4. Step 4: Simplify right side
    125,222.12x = 9,451,483,496.74
  5. Step 5: Solve for x
    x = 9,451,483,496.74/125,222.12
  6. Step 6: Final answer
    x = 75,477.75

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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.