Home / 135,025.04-202,361.40-72,622.16

Finding the Fourth Proportional to 135,025.04, 202,361.40 and 72,622.16

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Solution

The fourth proportional to 135,025.04, 202,361.40 and 72,622.16 is: 108,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.04 : 202,361.40 = 72,622.16 : x
  2. Step 2: Convert to fraction form
    135,025.04/202,361.40 = 72,622.16/x
  3. Step 3: Cross multiply
    135,025.04x = 202,361.40 × 72,622.16
  4. Step 4: Simplify right side
    135,025.04x = 14,695,921,968.62
  5. Step 5: Solve for x
    x = 14,695,921,968.62/135,025.04
  6. Step 6: Final answer
    x = 108,838.49

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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.