Home / 437,352.06-656,065.65-121,808.94

Finding the Fourth Proportional to 437,352.06, 656,065.65 and 121,808.94

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Solution

The fourth proportional to 437,352.06, 656,065.65 and 121,808.94 is: 182,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,352.06 : 656,065.65 = 121,808.94 : x
  2. Step 2: Convert to fraction form
    437,352.06/656,065.65 = 121,808.94/x
  3. Step 3: Cross multiply
    437,352.06x = 656,065.65 × 121,808.94
  4. Step 4: Simplify right side
    437,352.06x = 79,914,661,396.91
  5. Step 5: Solve for x
    x = 79,914,661,396.91/437,352.06
  6. Step 6: Final answer
    x = 182,723.87

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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.