Home / 568,586.81-852,876.76-142,120.50

Finding the Fourth Proportional to 568,586.81, 852,876.76 and 142,120.50

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Solution

The fourth proportional to 568,586.81, 852,876.76 and 142,120.50 is: 213,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,586.81 : 852,876.76 = 142,120.50 : x
  2. Step 2: Convert to fraction form
    568,586.81/852,876.76 = 142,120.50/x
  3. Step 3: Cross multiply
    568,586.81x = 852,876.76 × 142,120.50
  4. Step 4: Simplify right side
    568,586.81x = 121,211,271,569.58
  5. Step 5: Solve for x
    x = 121,211,271,569.58/568,586.81
  6. Step 6: Final answer
    x = 213,179.89

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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.