Home / 334,336.68-501,503.30-81,618.52

Finding the Fourth Proportional to 334,336.68, 501,503.30 and 81,618.52

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Solution

The fourth proportional to 334,336.68, 501,503.30 and 81,618.52 is: 122,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,336.68 : 501,503.30 = 81,618.52 : x
  2. Step 2: Convert to fraction form
    334,336.68/501,503.30 = 81,618.52/x
  3. Step 3: Cross multiply
    334,336.68x = 501,503.30 × 81,618.52
  4. Step 4: Simplify right side
    334,336.68x = 40,931,957,121.12
  5. Step 5: Solve for x
    x = 40,931,957,121.12/334,336.68
  6. Step 6: Final answer
    x = 122,427.36

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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.