Home / 307,516.02-461,336.30-130,022.75

Finding the Fourth Proportional to 307,516.02, 461,336.30 and 130,022.75

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Solution

The fourth proportional to 307,516.02, 461,336.30 and 130,022.75 is: 195,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,516.02 : 461,336.30 = 130,022.75 : x
  2. Step 2: Convert to fraction form
    307,516.02/461,336.30 = 130,022.75/x
  3. Step 3: Cross multiply
    307,516.02x = 461,336.30 × 130,022.75
  4. Step 4: Simplify right side
    307,516.02x = 59,984,214,400.83
  5. Step 5: Solve for x
    x = 59,984,214,400.83/307,516.02
  6. Step 6: Final answer
    x = 195,060.45

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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.