Home / 268,538.48-402,545-110,899.76

Finding the Fourth Proportional to 268,538.48, 402,545 and 110,899.76

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Solution

The fourth proportional to 268,538.48, 402,545 and 110,899.76 is: 166,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,538.48 : 402,545 = 110,899.76 : x
  2. Step 2: Convert to fraction form
    268,538.48/402,545 = 110,899.76/x
  3. Step 3: Cross multiply
    268,538.48x = 402,545 × 110,899.76
  4. Step 4: Simplify right side
    268,538.48x = 44,642,143,889.20
  5. Step 5: Solve for x
    x = 44,642,143,889.20/268,538.48
  6. Step 6: Final answer
    x = 166,241.14

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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.