Home / 117,539.31-176,307.75-28,793.28

Finding the Fourth Proportional to 117,539.31, 176,307.75 and 28,793.28

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Solution

The fourth proportional to 117,539.31, 176,307.75 and 28,793.28 is: 43,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,539.31 : 176,307.75 = 28,793.28 : x
  2. Step 2: Convert to fraction form
    117,539.31/176,307.75 = 28,793.28/x
  3. Step 3: Cross multiply
    117,539.31x = 176,307.75 × 28,793.28
  4. Step 4: Simplify right side
    117,539.31x = 5,076,478,411.92
  5. Step 5: Solve for x
    x = 5,076,478,411.92/117,539.31
  6. Step 6: Final answer
    x = 43,189.62

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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.