Home / 136,745.04-205,091.52-57,914.64

Finding the Fourth Proportional to 136,745.04, 205,091.52 and 57,914.64

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Solution

The fourth proportional to 136,745.04, 205,091.52 and 57,914.64 is: 86,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,745.04 : 205,091.52 = 57,914.64 : x
  2. Step 2: Convert to fraction form
    136,745.04/205,091.52 = 57,914.64/x
  3. Step 3: Cross multiply
    136,745.04x = 205,091.52 × 57,914.64
  4. Step 4: Simplify right side
    136,745.04x = 11,877,801,547.85
  5. Step 5: Solve for x
    x = 11,877,801,547.85/136,745.04
  6. Step 6: Final answer
    x = 86,860.93

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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.