Home / 292,039.86-402,975.09-178,838.58

Finding the Fourth Proportional to 292,039.86, 402,975.09 and 178,838.58

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Solution

The fourth proportional to 292,039.86, 402,975.09 and 178,838.58 is: 246,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,039.86 : 402,975.09 = 178,838.58 : x
  2. Step 2: Convert to fraction form
    292,039.86/402,975.09 = 178,838.58/x
  3. Step 3: Cross multiply
    292,039.86x = 402,975.09 × 178,838.58
  4. Step 4: Simplify right side
    292,039.86x = 72,067,492,870.97
  5. Step 5: Solve for x
    x = 72,067,492,870.97/292,039.86
  6. Step 6: Final answer
    x = 246,772.80

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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.