Home / 165,533.40-248,300.10-40,874.40

Finding the Fourth Proportional to 165,533.40, 248,300.10 and 40,874.40

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Solution

The fourth proportional to 165,533.40, 248,300.10 and 40,874.40 is: 61,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,533.40 : 248,300.10 = 40,874.40 : x
  2. Step 2: Convert to fraction form
    165,533.40/248,300.10 = 40,874.40/x
  3. Step 3: Cross multiply
    165,533.40x = 248,300.10 × 40,874.40
  4. Step 4: Simplify right side
    165,533.40x = 10,149,117,607.44
  5. Step 5: Solve for x
    x = 10,149,117,607.44/165,533.40
  6. Step 6: Final answer
    x = 61,311.60

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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.