Home / 319,278.61-440,602.82-174,092.18

Finding the Fourth Proportional to 319,278.61, 440,602.82 and 174,092.18

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Solution

The fourth proportional to 319,278.61, 440,602.82 and 174,092.18 is: 240,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,278.61 : 440,602.82 = 174,092.18 : x
  2. Step 2: Convert to fraction form
    319,278.61/440,602.82 = 174,092.18/x
  3. Step 3: Cross multiply
    319,278.61x = 440,602.82 × 174,092.18
  4. Step 4: Simplify right side
    319,278.61x = 76,705,505,447.95
  5. Step 5: Solve for x
    x = 76,705,505,447.95/319,278.61
  6. Step 6: Final answer
    x = 240,246.31

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1.5x scale

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.