Home / 107,202.35-147,890.72-66,926.04

Finding the Fourth Proportional to 107,202.35, 147,890.72 and 66,926.04

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Solution

The fourth proportional to 107,202.35, 147,890.72 and 66,926.04 is: 92,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,202.35 : 147,890.72 = 66,926.04 : x
  2. Step 2: Convert to fraction form
    107,202.35/147,890.72 = 66,926.04/x
  3. Step 3: Cross multiply
    107,202.35x = 147,890.72 × 66,926.04
  4. Step 4: Simplify right side
    107,202.35x = 9,897,739,907.72
  5. Step 5: Solve for x
    x = 9,897,739,907.72/107,202.35
  6. Step 6: Final answer
    x = 92,327.64

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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.