Home / 330,837.40-456,340.26-194,756.59

Finding the Fourth Proportional to 330,837.40, 456,340.26 and 194,756.59

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Solution

The fourth proportional to 330,837.40, 456,340.26 and 194,756.59 is: 268,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,837.40 : 456,340.26 = 194,756.59 : x
  2. Step 2: Convert to fraction form
    330,837.40/456,340.26 = 194,756.59/x
  3. Step 3: Cross multiply
    330,837.40x = 456,340.26 × 194,756.59
  4. Step 4: Simplify right side
    330,837.40x = 88,875,272,917.31
  5. Step 5: Solve for x
    x = 88,875,272,917.31/330,837.40
  6. Step 6: Final answer
    x = 268,637.32

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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.