Home / 285,036.52-393,582.92-183,112.60

Finding the Fourth Proportional to 285,036.52, 393,582.92 and 183,112.60

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Solution

The fourth proportional to 285,036.52, 393,582.92 and 183,112.60 is: 252,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,036.52 : 393,582.92 = 183,112.60 : x
  2. Step 2: Convert to fraction form
    285,036.52/393,582.92 = 183,112.60/x
  3. Step 3: Cross multiply
    285,036.52x = 393,582.92 × 183,112.60
  4. Step 4: Simplify right side
    285,036.52x = 72,069,991,796.79
  5. Step 5: Solve for x
    x = 72,069,991,796.79/285,036.52
  6. Step 6: Final answer
    x = 252,844.76

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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.