Home / 235,834.40-353,521.20-210,951.20

Finding the Fourth Proportional to 235,834.40, 353,521.20 and 210,951.20

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Solution

The fourth proportional to 235,834.40, 353,521.20 and 210,951.20 is: 316,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,834.40 : 353,521.20 = 210,951.20 : x
  2. Step 2: Convert to fraction form
    235,834.40/353,521.20 = 210,951.20/x
  3. Step 3: Cross multiply
    235,834.40x = 353,521.20 × 210,951.20
  4. Step 4: Simplify right side
    235,834.40x = 74,575,721,365.44
  5. Step 5: Solve for x
    x = 74,575,721,365.44/235,834.40
  6. Step 6: Final answer
    x = 316,220.71

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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.