Home / 136,026.60-203,866.68-76,895.16

Finding the Fourth Proportional to 136,026.60, 203,866.68 and 76,895.16

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Solution

The fourth proportional to 136,026.60, 203,866.68 and 76,895.16 is: 115,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,026.60 : 203,866.68 = 76,895.16 : x
  2. Step 2: Convert to fraction form
    136,026.60/203,866.68 = 76,895.16/x
  3. Step 3: Cross multiply
    136,026.60x = 203,866.68 × 76,895.16
  4. Step 4: Simplify right side
    136,026.60x = 15,676,360,977.27
  5. Step 5: Solve for x
    x = 15,676,360,977.27/136,026.60
  6. Step 6: Final answer
    x = 115,244.82

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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.