Home / 125,351.06-188,027.23-42,245.78

Finding the Fourth Proportional to 125,351.06, 188,027.23 and 42,245.78

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Solution

The fourth proportional to 125,351.06, 188,027.23 and 42,245.78 is: 63,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,351.06 : 188,027.23 = 42,245.78 : x
  2. Step 2: Convert to fraction form
    125,351.06/188,027.23 = 42,245.78/x
  3. Step 3: Cross multiply
    125,351.06x = 188,027.23 × 42,245.78
  4. Step 4: Simplify right side
    125,351.06x = 7,943,356,992.59
  5. Step 5: Solve for x
    x = 7,943,356,992.59/125,351.06
  6. Step 6: Final answer
    x = 63,368.89

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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.