Home / 370,032.12-510,742.92-208,981.44

Finding the Fourth Proportional to 370,032.12, 510,742.92 and 208,981.44

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Solution

The fourth proportional to 370,032.12, 510,742.92 and 208,981.44 is: 288,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,032.12 : 510,742.92 = 208,981.44 : x
  2. Step 2: Convert to fraction form
    370,032.12/510,742.92 = 208,981.44/x
  3. Step 3: Cross multiply
    370,032.12x = 510,742.92 × 208,981.44
  4. Step 4: Simplify right side
    370,032.12x = 106,735,790,891.41
  5. Step 5: Solve for x
    x = 106,735,790,891.41/370,032.12
  6. Step 6: Final answer
    x = 288,450.07

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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.