Home / 219,050.70-326,991.52-192,478.65

Finding the Fourth Proportional to 219,050.70, 326,991.52 and 192,478.65

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Solution

The fourth proportional to 219,050.70, 326,991.52 and 192,478.65 is: 287,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,050.70 : 326,991.52 = 192,478.65 : x
  2. Step 2: Convert to fraction form
    219,050.70/326,991.52 = 192,478.65/x
  3. Step 3: Cross multiply
    219,050.70x = 326,991.52 × 192,478.65
  4. Step 4: Simplify right side
    219,050.70x = 62,938,885,849.85
  5. Step 5: Solve for x
    x = 62,938,885,849.85/219,050.70
  6. Step 6: Final answer
    x = 287,325.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.