Home / 173,929.10-260,905.80-68,734.40

Finding the Fourth Proportional to 173,929.10, 260,905.80 and 68,734.40

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Solution

The fourth proportional to 173,929.10, 260,905.80 and 68,734.40 is: 103,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,929.10 : 260,905.80 = 68,734.40 : x
  2. Step 2: Convert to fraction form
    173,929.10/260,905.80 = 68,734.40/x
  3. Step 3: Cross multiply
    173,929.10x = 260,905.80 × 68,734.40
  4. Step 4: Simplify right side
    173,929.10x = 17,933,203,619.52
  5. Step 5: Solve for x
    x = 17,933,203,619.52/173,929.10
  6. Step 6: Final answer
    x = 103,106.40

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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.