Home / 165,074.10-247,646.66-51,219.63

Finding the Fourth Proportional to 165,074.10, 247,646.66 and 51,219.63

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Solution

The fourth proportional to 165,074.10, 247,646.66 and 51,219.63 is: 76,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074.10 : 247,646.66 = 51,219.63 : x
  2. Step 2: Convert to fraction form
    165,074.10/247,646.66 = 51,219.63/x
  3. Step 3: Cross multiply
    165,074.10x = 247,646.66 × 51,219.63
  4. Step 4: Simplify right side
    165,074.10x = 12,684,369,979.70
  5. Step 5: Solve for x
    x = 12,684,369,979.70/165,074.10
  6. Step 6: Final answer
    x = 76,840.46

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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.