Home / 165,354.58-248,031.32-45,411.64

Finding the Fourth Proportional to 165,354.58, 248,031.32 and 45,411.64

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Solution

The fourth proportional to 165,354.58, 248,031.32 and 45,411.64 is: 68,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,354.58 : 248,031.32 = 45,411.64 : x
  2. Step 2: Convert to fraction form
    165,354.58/248,031.32 = 45,411.64/x
  3. Step 3: Cross multiply
    165,354.58x = 248,031.32 × 45,411.64
  4. Step 4: Simplify right side
    165,354.58x = 11,263,507,772.41
  5. Step 5: Solve for x
    x = 11,263,507,772.41/165,354.58
  6. Step 6: Final answer
    x = 68,117.30

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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.