Home / 336,915.96-505,371.90-84,195.15

Finding the Fourth Proportional to 336,915.96, 505,371.90 and 84,195.15

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Solution

The fourth proportional to 336,915.96, 505,371.90 and 84,195.15 is: 126,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,915.96 : 505,371.90 = 84,195.15 : x
  2. Step 2: Convert to fraction form
    336,915.96/505,371.90 = 84,195.15/x
  3. Step 3: Cross multiply
    336,915.96x = 505,371.90 × 84,195.15
  4. Step 4: Simplify right side
    336,915.96x = 42,549,862,926.29
  5. Step 5: Solve for x
    x = 42,549,862,926.29/336,915.96
  6. Step 6: Final answer
    x = 126,292.22

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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.