Home / 334,583.80-501,709.65-121,343.20

Finding the Fourth Proportional to 334,583.80, 501,709.65 and 121,343.20

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Solution

The fourth proportional to 334,583.80, 501,709.65 and 121,343.20 is: 181,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,583.80 : 501,709.65 = 121,343.20 : x
  2. Step 2: Convert to fraction form
    334,583.80/501,709.65 = 121,343.20/x
  3. Step 3: Cross multiply
    334,583.80x = 501,709.65 × 121,343.20
  4. Step 4: Simplify right side
    334,583.80x = 60,879,054,401.88
  5. Step 5: Solve for x
    x = 60,879,054,401.88/334,583.80
  6. Step 6: Final answer
    x = 181,954.58

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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.