Home / 117,148.86-175,725.45-42,274.62

Finding the Fourth Proportional to 117,148.86, 175,725.45 and 42,274.62

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Solution

The fourth proportional to 117,148.86, 175,725.45 and 42,274.62 is: 63,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.86 : 175,725.45 = 42,274.62 : x
  2. Step 2: Convert to fraction form
    117,148.86/175,725.45 = 42,274.62/x
  3. Step 3: Cross multiply
    117,148.86x = 175,725.45 × 42,274.62
  4. Step 4: Simplify right side
    117,148.86x = 7,428,726,623.08
  5. Step 5: Solve for x
    x = 7,428,726,623.08/117,148.86
  6. Step 6: Final answer
    x = 63,412.71

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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.