Home / 334,336.20-501,502.56-81,618.02

Finding the Fourth Proportional to 334,336.20, 501,502.56 and 81,618.02

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Solution

The fourth proportional to 334,336.20, 501,502.56 and 81,618.02 is: 122,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,336.20 : 501,502.56 = 81,618.02 : x
  2. Step 2: Convert to fraction form
    334,336.20/501,502.56 = 81,618.02/x
  3. Step 3: Cross multiply
    334,336.20x = 501,502.56 × 81,618.02
  4. Step 4: Simplify right side
    334,336.20x = 40,931,646,919.82
  5. Step 5: Solve for x
    x = 40,931,646,919.82/334,336.20
  6. Step 6: Final answer
    x = 122,426.61

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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.