Home / 307,660.16-461,539.04-130,168.50

Finding the Fourth Proportional to 307,660.16, 461,539.04 and 130,168.50

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Solution

The fourth proportional to 307,660.16, 461,539.04 and 130,168.50 is: 195,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,660.16 : 461,539.04 = 130,168.50 : x
  2. Step 2: Convert to fraction form
    307,660.16/461,539.04 = 130,168.50/x
  3. Step 3: Cross multiply
    307,660.16x = 461,539.04 × 130,168.50
  4. Step 4: Simplify right side
    307,660.16x = 60,077,843,877.40
  5. Step 5: Solve for x
    x = 60,077,843,877.40/307,660.16
  6. Step 6: Final answer
    x = 195,273.40

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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.