Home / 136,817.60-205,248-57,932.32

Finding the Fourth Proportional to 136,817.60, 205,248 and 57,932.32

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Solution

The fourth proportional to 136,817.60, 205,248 and 57,932.32 is: 86,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,817.60 : 205,248 = 57,932.32 : x
  2. Step 2: Convert to fraction form
    136,817.60/205,248 = 57,932.32/x
  3. Step 3: Cross multiply
    136,817.60x = 205,248 × 57,932.32
  4. Step 4: Simplify right side
    136,817.60x = 11,890,492,815.36
  5. Step 5: Solve for x
    x = 11,890,492,815.36/136,817.60
  6. Step 6: Final answer
    x = 86,907.63

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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.