Home / 157,778.08-236,579.64-52,539.64

Finding the Fourth Proportional to 157,778.08, 236,579.64 and 52,539.64

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Solution

The fourth proportional to 157,778.08, 236,579.64 and 52,539.64 is: 78,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778.08 : 236,579.64 = 52,539.64 : x
  2. Step 2: Convert to fraction form
    157,778.08/236,579.64 = 52,539.64/x
  3. Step 3: Cross multiply
    157,778.08x = 236,579.64 × 52,539.64
  4. Step 4: Simplify right side
    157,778.08x = 12,429,809,116.93
  5. Step 5: Solve for x
    x = 12,429,809,116.93/157,778.08
  6. Step 6: Final answer
    x = 78,780.33

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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.