Home / 136,070.04-204,134.16-57,143.64

Finding the Fourth Proportional to 136,070.04, 204,134.16 and 57,143.64

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Solution

The fourth proportional to 136,070.04, 204,134.16 and 57,143.64 is: 85,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,070.04 : 204,134.16 = 57,143.64 : x
  2. Step 2: Convert to fraction form
    136,070.04/204,134.16 = 57,143.64/x
  3. Step 3: Cross multiply
    136,070.04x = 204,134.16 × 57,143.64
  4. Step 4: Simplify right side
    136,070.04x = 11,664,968,950.74
  5. Step 5: Solve for x
    x = 11,664,968,950.74/136,070.04
  6. Step 6: Final answer
    x = 85,727.68

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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.