Home / 238,783.33-358,098.94-78,829.57

Finding the Fourth Proportional to 238,783.33, 358,098.94 and 78,829.57

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Solution

The fourth proportional to 238,783.33, 358,098.94 and 78,829.57 is: 118,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,783.33 : 358,098.94 = 78,829.57 : x
  2. Step 2: Convert to fraction form
    238,783.33/358,098.94 = 78,829.57/x
  3. Step 3: Cross multiply
    238,783.33x = 358,098.94 × 78,829.57
  4. Step 4: Simplify right side
    238,783.33x = 28,228,785,457.66
  5. Step 5: Solve for x
    x = 28,228,785,457.66/238,783.33
  6. Step 6: Final answer
    x = 118,219.25

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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.