Home / 136,365.80-204,633.90-52,133.09

Finding the Fourth Proportional to 136,365.80, 204,633.90 and 52,133.09

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Solution

The fourth proportional to 136,365.80, 204,633.90 and 52,133.09 is: 78,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,365.80 : 204,633.90 = 52,133.09 : x
  2. Step 2: Convert to fraction form
    136,365.80/204,633.90 = 52,133.09/x
  3. Step 3: Cross multiply
    136,365.80x = 204,633.90 × 52,133.09
  4. Step 4: Simplify right side
    136,365.80x = 10,668,196,502.58
  5. Step 5: Solve for x
    x = 10,668,196,502.58/136,365.80
  6. Step 6: Final answer
    x = 78,232.20

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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.