Home / 338,899.41-508,038.06-117,127.89

Finding the Fourth Proportional to 338,899.41, 508,038.06 and 117,127.89

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Solution

The fourth proportional to 338,899.41, 508,038.06 and 117,127.89 is: 175,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,899.41 : 508,038.06 = 117,127.89 : x
  2. Step 2: Convert to fraction form
    338,899.41/508,038.06 = 117,127.89/x
  3. Step 3: Cross multiply
    338,899.41x = 508,038.06 × 117,127.89
  4. Step 4: Simplify right side
    338,899.41x = 59,505,426,007.49
  5. Step 5: Solve for x
    x = 59,505,426,007.49/338,899.41
  6. Step 6: Final answer
    x = 175,584.33

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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.