Home / 210,999.24-316,432.68-61,249.92

Finding the Fourth Proportional to 210,999.24, 316,432.68 and 61,249.92

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Solution

The fourth proportional to 210,999.24, 316,432.68 and 61,249.92 is: 91,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,999.24 : 316,432.68 = 61,249.92 : x
  2. Step 2: Convert to fraction form
    210,999.24/316,432.68 = 61,249.92/x
  3. Step 3: Cross multiply
    210,999.24x = 316,432.68 × 61,249.92
  4. Step 4: Simplify right side
    210,999.24x = 19,381,476,335.39
  5. Step 5: Solve for x
    x = 19,381,476,335.39/210,999.24
  6. Step 6: Final answer
    x = 91,855.67

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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.