Home / 136,652.40-188,580.51-76,226.94

Finding the Fourth Proportional to 136,652.40, 188,580.51 and 76,226.94

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Solution

The fourth proportional to 136,652.40, 188,580.51 and 76,226.94 is: 105,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,652.40 : 188,580.51 = 76,226.94 : x
  2. Step 2: Convert to fraction form
    136,652.40/188,580.51 = 76,226.94/x
  3. Step 3: Cross multiply
    136,652.40x = 188,580.51 × 76,226.94
  4. Step 4: Simplify right side
    136,652.40x = 14,374,915,220.94
  5. Step 5: Solve for x
    x = 14,374,915,220.94/136,652.40
  6. Step 6: Final answer
    x = 105,193.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.