Home / 165,730.46-248,373.21-90,737.42

Finding the Fourth Proportional to 165,730.46, 248,373.21 and 90,737.42

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Solution

The fourth proportional to 165,730.46, 248,373.21 and 90,737.42 is: 135,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,730.46 : 248,373.21 = 90,737.42 : x
  2. Step 2: Convert to fraction form
    165,730.46/248,373.21 = 90,737.42/x
  3. Step 3: Cross multiply
    165,730.46x = 248,373.21 × 90,737.42
  4. Step 4: Simplify right side
    165,730.46x = 22,536,744,272.52
  5. Step 5: Solve for x
    x = 22,536,744,272.52/165,730.46
  6. Step 6: Final answer
    x = 135,984.32

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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.