Home / 145,982.32-218,954.56-46,152.56

Finding the Fourth Proportional to 145,982.32, 218,954.56 and 46,152.56

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Solution

The fourth proportional to 145,982.32, 218,954.56 and 46,152.56 is: 69,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,982.32 : 218,954.56 = 46,152.56 : x
  2. Step 2: Convert to fraction form
    145,982.32/218,954.56 = 46,152.56/x
  3. Step 3: Cross multiply
    145,982.32x = 218,954.56 × 46,152.56
  4. Step 4: Simplify right side
    145,982.32x = 10,105,313,467.67
  5. Step 5: Solve for x
    x = 10,105,313,467.67/145,982.32
  6. Step 6: Final answer
    x = 69,222.86

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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.