Home / 170,734.60-256,247.70-76,110.40

Finding the Fourth Proportional to 170,734.60, 256,247.70 and 76,110.40

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Solution

The fourth proportional to 170,734.60, 256,247.70 and 76,110.40 is: 114,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,734.60 : 256,247.70 = 76,110.40 : x
  2. Step 2: Convert to fraction form
    170,734.60/256,247.70 = 76,110.40/x
  3. Step 3: Cross multiply
    170,734.60x = 256,247.70 × 76,110.40
  4. Step 4: Simplify right side
    170,734.60x = 19,503,114,946.08
  5. Step 5: Solve for x
    x = 19,503,114,946.08/170,734.60
  6. Step 6: Final answer
    x = 114,230.60

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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.