Home / 179,443.05-268,721.40-133,741.18

Finding the Fourth Proportional to 179,443.05, 268,721.40 and 133,741.18

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Solution

The fourth proportional to 179,443.05, 268,721.40 and 133,741.18 is: 200,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,443.05 : 268,721.40 = 133,741.18 : x
  2. Step 2: Convert to fraction form
    179,443.05/268,721.40 = 133,741.18/x
  3. Step 3: Cross multiply
    179,443.05x = 268,721.40 × 133,741.18
  4. Step 4: Simplify right side
    179,443.05x = 35,939,117,127.25
  5. Step 5: Solve for x
    x = 35,939,117,127.25/179,443.05
  6. Step 6: Final answer
    x = 200,281.47

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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.