Home / 229,245.86-316,345.08-127,265.36

Finding the Fourth Proportional to 229,245.86, 316,345.08 and 127,265.36

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Solution

The fourth proportional to 229,245.86, 316,345.08 and 127,265.36 is: 175,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,245.86 : 316,345.08 = 127,265.36 : x
  2. Step 2: Convert to fraction form
    229,245.86/316,345.08 = 127,265.36/x
  3. Step 3: Cross multiply
    229,245.86x = 316,345.08 × 127,265.36
  4. Step 4: Simplify right side
    229,245.86x = 40,259,770,490.43
  5. Step 5: Solve for x
    x = 40,259,770,490.43/229,245.86
  6. Step 6: Final answer
    x = 175,618.31

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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.