Home / 228,321.51-342,475.20-108,464.74

Finding the Fourth Proportional to 228,321.51, 342,475.20 and 108,464.74

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Solution

The fourth proportional to 228,321.51, 342,475.20 and 108,464.74 is: 162,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,321.51 : 342,475.20 = 108,464.74 : x
  2. Step 2: Convert to fraction form
    228,321.51/342,475.20 = 108,464.74/x
  3. Step 3: Cross multiply
    228,321.51x = 342,475.20 × 108,464.74
  4. Step 4: Simplify right side
    228,321.51x = 37,146,483,543.20
  5. Step 5: Solve for x
    x = 37,146,483,543.20/228,321.51
  6. Step 6: Final answer
    x = 162,693.75

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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.