Home / 210,936.06-316,403.28-84,632.76

Finding the Fourth Proportional to 210,936.06, 316,403.28 and 84,632.76

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Solution

The fourth proportional to 210,936.06, 316,403.28 and 84,632.76 is: 126,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,936.06 : 316,403.28 = 84,632.76 : x
  2. Step 2: Convert to fraction form
    210,936.06/316,403.28 = 84,632.76/x
  3. Step 3: Cross multiply
    210,936.06x = 316,403.28 × 84,632.76
  4. Step 4: Simplify right side
    210,936.06x = 26,778,082,859.45
  5. Step 5: Solve for x
    x = 26,778,082,859.45/210,936.06
  6. Step 6: Final answer
    x = 126,948.82

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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.