Home / 210,933.68-316,402.96-70,692.56

Finding the Fourth Proportional to 210,933.68, 316,402.96 and 70,692.56

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Solution

The fourth proportional to 210,933.68, 316,402.96 and 70,692.56 is: 106,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,933.68 : 316,402.96 = 70,692.56 : x
  2. Step 2: Convert to fraction form
    210,933.68/316,402.96 = 70,692.56/x
  3. Step 3: Cross multiply
    210,933.68x = 316,402.96 × 70,692.56
  4. Step 4: Simplify right side
    210,933.68x = 22,367,335,233.98
  5. Step 5: Solve for x
    x = 22,367,335,233.98/210,933.68
  6. Step 6: Final answer
    x = 106,039.66

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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.