Home / 310,117.26-427,961.82-174,151.32

Finding the Fourth Proportional to 310,117.26, 427,961.82 and 174,151.32

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Solution

The fourth proportional to 310,117.26, 427,961.82 and 174,151.32 is: 240,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,117.26 : 427,961.82 = 174,151.32 : x
  2. Step 2: Convert to fraction form
    310,117.26/427,961.82 = 174,151.32/x
  3. Step 3: Cross multiply
    310,117.26x = 427,961.82 × 174,151.32
  4. Step 4: Simplify right side
    310,117.26x = 74,530,115,862.60
  5. Step 5: Solve for x
    x = 74,530,115,862.60/310,117.26
  6. Step 6: Final answer
    x = 240,328.82

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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.