Home / 118,895.72-178,291.71-44,971.88

Finding the Fourth Proportional to 118,895.72, 178,291.71 and 44,971.88

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Solution

The fourth proportional to 118,895.72, 178,291.71 and 44,971.88 is: 67,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,895.72 : 178,291.71 = 44,971.88 : x
  2. Step 2: Convert to fraction form
    118,895.72/178,291.71 = 44,971.88/x
  3. Step 3: Cross multiply
    118,895.72x = 178,291.71 × 44,971.88
  4. Step 4: Simplify right side
    118,895.72x = 8,018,112,495.66
  5. Step 5: Solve for x
    x = 8,018,112,495.66/118,895.72
  6. Step 6: Final answer
    x = 67,438.20

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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.