Home / 319,659.06-441,186.70-190,605.86

Finding the Fourth Proportional to 319,659.06, 441,186.70 and 190,605.86

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Solution

The fourth proportional to 319,659.06, 441,186.70 and 190,605.86 is: 263,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,659.06 : 441,186.70 = 190,605.86 : x
  2. Step 2: Convert to fraction form
    319,659.06/441,186.70 = 190,605.86/x
  3. Step 3: Cross multiply
    319,659.06x = 441,186.70 × 190,605.86
  4. Step 4: Simplify right side
    319,659.06x = 84,092,769,703.45
  5. Step 5: Solve for x
    x = 84,092,769,703.45/319,659.06
  6. Step 6: Final answer
    x = 263,070.19

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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.