Home / 145,467.20-218,308.96-108,114.24

Finding the Fourth Proportional to 145,467.20, 218,308.96 and 108,114.24

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Solution

The fourth proportional to 145,467.20, 218,308.96 and 108,114.24 is: 162,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,467.20 : 218,308.96 = 108,114.24 : x
  2. Step 2: Convert to fraction form
    145,467.20/218,308.96 = 108,114.24/x
  3. Step 3: Cross multiply
    145,467.20x = 218,308.96 × 108,114.24
  4. Step 4: Simplify right side
    145,467.20x = 23,602,307,295.59
  5. Step 5: Solve for x
    x = 23,602,307,295.59/145,467.20
  6. Step 6: Final answer
    x = 162,251.75

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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.