Home / 282,382.21-423,479.34-113,859.01

Finding the Fourth Proportional to 282,382.21, 423,479.34 and 113,859.01

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Solution

The fourth proportional to 282,382.21, 423,479.34 and 113,859.01 is: 170,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,382.21 : 423,479.34 = 113,859.01 : x
  2. Step 2: Convert to fraction form
    282,382.21/423,479.34 = 113,859.01/x
  3. Step 3: Cross multiply
    282,382.21x = 423,479.34 × 113,859.01
  4. Step 4: Simplify right side
    282,382.21x = 48,216,936,290.46
  5. Step 5: Solve for x
    x = 48,216,936,290.46/282,382.21
  6. Step 6: Final answer
    x = 170,750.62

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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.