Home / 155,145.92-214,124.54-94,751.32

Finding the Fourth Proportional to 155,145.92, 214,124.54 and 94,751.32

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Solution

The fourth proportional to 155,145.92, 214,124.54 and 94,751.32 is: 130,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145.92 : 214,124.54 = 94,751.32 : x
  2. Step 2: Convert to fraction form
    155,145.92/214,124.54 = 94,751.32/x
  3. Step 3: Cross multiply
    155,145.92x = 214,124.54 × 94,751.32
  4. Step 4: Simplify right side
    155,145.92x = 20,288,582,809.39
  5. Step 5: Solve for x
    x = 20,288,582,809.39/155,145.92
  6. Step 6: Final answer
    x = 130,770.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.