Home / 205,575.24-308,398.02-70,632.84

Finding the Fourth Proportional to 205,575.24, 308,398.02 and 70,632.84

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Solution

The fourth proportional to 205,575.24, 308,398.02 and 70,632.84 is: 105,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,575.24 : 308,398.02 = 70,632.84 : x
  2. Step 2: Convert to fraction form
    205,575.24/308,398.02 = 70,632.84/x
  3. Step 3: Cross multiply
    205,575.24x = 308,398.02 × 70,632.84
  4. Step 4: Simplify right side
    205,575.24x = 21,783,028,002.98
  5. Step 5: Solve for x
    x = 21,783,028,002.98/205,575.24
  6. Step 6: Final answer
    x = 105,961.34

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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.