Home / 145,982.14-218,954.36-46,152.48

Finding the Fourth Proportional to 145,982.14, 218,954.36 and 46,152.48

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Solution

The fourth proportional to 145,982.14, 218,954.36 and 46,152.48 is: 69,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,982.14 : 218,954.36 = 46,152.48 : x
  2. Step 2: Convert to fraction form
    145,982.14/218,954.36 = 46,152.48/x
  3. Step 3: Cross multiply
    145,982.14x = 218,954.36 × 46,152.48
  4. Step 4: Simplify right side
    145,982.14x = 10,105,286,720.81
  5. Step 5: Solve for x
    x = 10,105,286,720.81/145,982.14
  6. Step 6: Final answer
    x = 69,222.76

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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.