Home / 355,172.07-532,700.60-130,477.26

Finding the Fourth Proportional to 355,172.07, 532,700.60 and 130,477.26

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Solution

The fourth proportional to 355,172.07, 532,700.60 and 130,477.26 is: 195,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,172.07 : 532,700.60 = 130,477.26 : x
  2. Step 2: Convert to fraction form
    355,172.07/532,700.60 = 130,477.26/x
  3. Step 3: Cross multiply
    355,172.07x = 532,700.60 × 130,477.26
  4. Step 4: Simplify right side
    355,172.07x = 69,505,314,035.97
  5. Step 5: Solve for x
    x = 69,505,314,035.97/355,172.07
  6. Step 6: Final answer
    x = 195,694.76

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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.