Home / 125,917.44-188,941.80-55,780.35

Finding the Fourth Proportional to 125,917.44, 188,941.80 and 55,780.35

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Solution

The fourth proportional to 125,917.44, 188,941.80 and 55,780.35 is: 83,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,917.44 : 188,941.80 = 55,780.35 : x
  2. Step 2: Convert to fraction form
    125,917.44/188,941.80 = 55,780.35/x
  3. Step 3: Cross multiply
    125,917.44x = 188,941.80 × 55,780.35
  4. Step 4: Simplify right side
    125,917.44x = 10,539,239,733.63
  5. Step 5: Solve for x
    x = 10,539,239,733.63/125,917.44
  6. Step 6: Final answer
    x = 83,699.60

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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.