Home / 292,040.86-402,976.47-178,839.58

Finding the Fourth Proportional to 292,040.86, 402,976.47 and 178,839.58

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Solution

The fourth proportional to 292,040.86, 402,976.47 and 178,839.58 is: 246,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,040.86 : 402,976.47 = 178,839.58 : x
  2. Step 2: Convert to fraction form
    292,040.86/402,976.47 = 178,839.58/x
  3. Step 3: Cross multiply
    292,040.86x = 402,976.47 × 178,839.58
  4. Step 4: Simplify right side
    292,040.86x = 72,068,142,644.68
  5. Step 5: Solve for x
    x = 72,068,142,644.68/292,040.86
  6. Step 6: Final answer
    x = 246,774.18

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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.