Home / 231,255.18-346,606.64-118,989.18

Finding the Fourth Proportional to 231,255.18, 346,606.64 and 118,989.18

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Solution

The fourth proportional to 231,255.18, 346,606.64 and 118,989.18 is: 178,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,255.18 : 346,606.64 = 118,989.18 : x
  2. Step 2: Convert to fraction form
    231,255.18/346,606.64 = 118,989.18/x
  3. Step 3: Cross multiply
    231,255.18x = 346,606.64 × 118,989.18
  4. Step 4: Simplify right side
    231,255.18x = 41,242,439,876.16
  5. Step 5: Solve for x
    x = 41,242,439,876.16/231,255.18
  6. Step 6: Final answer
    x = 178,341.69

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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.