Home / 447,246.12-670,880.52-131,713.86

Finding the Fourth Proportional to 447,246.12, 670,880.52 and 131,713.86

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Solution

The fourth proportional to 447,246.12, 670,880.52 and 131,713.86 is: 197,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,246.12 : 670,880.52 = 131,713.86 : x
  2. Step 2: Convert to fraction form
    447,246.12/670,880.52 = 131,713.86/x
  3. Step 3: Cross multiply
    447,246.12x = 670,880.52 × 131,713.86
  4. Step 4: Simplify right side
    447,246.12x = 88,364,262,888.01
  5. Step 5: Solve for x
    x = 88,364,262,888.01/447,246.12
  6. Step 6: Final answer
    x = 197,574.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.