Home / 154,640.32-232,015.76-95,407.04

Finding the Fourth Proportional to 154,640.32, 232,015.76 and 95,407.04

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Solution

The fourth proportional to 154,640.32, 232,015.76 and 95,407.04 is: 143,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,640.32 : 232,015.76 = 95,407.04 : x
  2. Step 2: Convert to fraction form
    154,640.32/232,015.76 = 95,407.04/x
  3. Step 3: Cross multiply
    154,640.32x = 232,015.76 × 95,407.04
  4. Step 4: Simplify right side
    154,640.32x = 22,135,936,894.95
  5. Step 5: Solve for x
    x = 22,135,936,894.95/154,640.32
  6. Step 6: Final answer
    x = 143,144.67

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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.