Home / 210,003.24-314,906.35-76,790.35

Finding the Fourth Proportional to 210,003.24, 314,906.35 and 76,790.35

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Solution

The fourth proportional to 210,003.24, 314,906.35 and 76,790.35 is: 115,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,003.24 : 314,906.35 = 76,790.35 : x
  2. Step 2: Convert to fraction form
    210,003.24/314,906.35 = 76,790.35/x
  3. Step 3: Cross multiply
    210,003.24x = 314,906.35 × 76,790.35
  4. Step 4: Simplify right side
    210,003.24x = 24,181,768,833.72
  5. Step 5: Solve for x
    x = 24,181,768,833.72/210,003.24
  6. Step 6: Final answer
    x = 115,149.50

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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.