Home / 136,926.04-188,966.80-76,497.01

Finding the Fourth Proportional to 136,926.04, 188,966.80 and 76,497.01

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Solution

The fourth proportional to 136,926.04, 188,966.80 and 76,497.01 is: 105,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,926.04 : 188,966.80 = 76,497.01 : x
  2. Step 2: Convert to fraction form
    136,926.04/188,966.80 = 76,497.01/x
  3. Step 3: Cross multiply
    136,926.04x = 188,966.80 × 76,497.01
  4. Step 4: Simplify right side
    136,926.04x = 14,455,394,171.30
  5. Step 5: Solve for x
    x = 14,455,394,171.30/136,926.04
  6. Step 6: Final answer
    x = 105,570.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.