Home / 95,485.20-143,380.80-75,926.40

Finding the Fourth Proportional to 95,485.20, 143,380.80 and 75,926.40

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Solution

The fourth proportional to 95,485.20, 143,380.80 and 75,926.40 is: 114,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,485.20 : 143,380.80 = 75,926.40 : x
  2. Step 2: Convert to fraction form
    95,485.20/143,380.80 = 75,926.40/x
  3. Step 3: Cross multiply
    95,485.20x = 143,380.80 × 75,926.40
  4. Step 4: Simplify right side
    95,485.20x = 10,886,387,973.12
  5. Step 5: Solve for x
    x = 10,886,387,973.12/95,485.20
  6. Step 6: Final answer
    x = 114,011.26

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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.