Home / 330,633.37-456,278.52-194,667.58

Finding the Fourth Proportional to 330,633.37, 456,278.52 and 194,667.58

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Solution

The fourth proportional to 330,633.37, 456,278.52 and 194,667.58 is: 268,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,633.37 : 456,278.52 = 194,667.58 : x
  2. Step 2: Convert to fraction form
    330,633.37/456,278.52 = 194,667.58/x
  3. Step 3: Cross multiply
    330,633.37x = 456,278.52 × 194,667.58
  4. Step 4: Simplify right side
    330,633.37x = 88,822,635,294.38
  5. Step 5: Solve for x
    x = 88,822,635,294.38/330,633.37
  6. Step 6: Final answer
    x = 268,643.89

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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.