Home / 330,470.14-456,047.40-194,503.06

Finding the Fourth Proportional to 330,470.14, 456,047.40 and 194,503.06

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Solution

The fourth proportional to 330,470.14, 456,047.40 and 194,503.06 is: 268,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,470.14 : 456,047.40 = 194,503.06 : x
  2. Step 2: Convert to fraction form
    330,470.14/456,047.40 = 194,503.06/x
  3. Step 3: Cross multiply
    330,470.14x = 456,047.40 × 194,503.06
  4. Step 4: Simplify right side
    330,470.14x = 88,702,614,805.04
  5. Step 5: Solve for x
    x = 88,702,614,805.04/330,470.14
  6. Step 6: Final answer
    x = 268,413.40

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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.