Home / 136,051.07-204,078.63-51,815.88

Finding the Fourth Proportional to 136,051.07, 204,078.63 and 51,815.88

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Solution

The fourth proportional to 136,051.07, 204,078.63 and 51,815.88 is: 77,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,051.07 : 204,078.63 = 51,815.88 : x
  2. Step 2: Convert to fraction form
    136,051.07/204,078.63 = 51,815.88/x
  3. Step 3: Cross multiply
    136,051.07x = 204,078.63 × 51,815.88
  4. Step 4: Simplify right side
    136,051.07x = 10,574,513,802.64
  5. Step 5: Solve for x
    x = 10,574,513,802.64/136,051.07
  6. Step 6: Final answer
    x = 77,724.59

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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.