Home / 210,765.24-290,866.68-124,773.57

Finding the Fourth Proportional to 210,765.24, 290,866.68 and 124,773.57

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Solution

The fourth proportional to 210,765.24, 290,866.68 and 124,773.57 is: 172,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,765.24 : 290,866.68 = 124,773.57 : x
  2. Step 2: Convert to fraction form
    210,765.24/290,866.68 = 124,773.57/x
  3. Step 3: Cross multiply
    210,765.24x = 290,866.68 × 124,773.57
  4. Step 4: Simplify right side
    210,765.24x = 36,292,474,057.65
  5. Step 5: Solve for x
    x = 36,292,474,057.65/210,765.24
  6. Step 6: Final answer
    x = 172,193.83

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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.