Home / 136,917.60-205,089.90-110,118.75

Finding the Fourth Proportional to 136,917.60, 205,089.90 and 110,118.75

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Solution

The fourth proportional to 136,917.60, 205,089.90 and 110,118.75 is: 164,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,917.60 : 205,089.90 = 110,118.75 : x
  2. Step 2: Convert to fraction form
    136,917.60/205,089.90 = 110,118.75/x
  3. Step 3: Cross multiply
    136,917.60x = 205,089.90 × 110,118.75
  4. Step 4: Simplify right side
    136,917.60x = 22,584,243,425.63
  5. Step 5: Solve for x
    x = 22,584,243,425.63/136,917.60
  6. Step 6: Final answer
    x = 164,947.70

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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.