Home / 219,690.41-329,535.63-79,416.23

Finding the Fourth Proportional to 219,690.41, 329,535.63 and 79,416.23

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Solution

The fourth proportional to 219,690.41, 329,535.63 and 79,416.23 is: 119,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,690.41 : 329,535.63 = 79,416.23 : x
  2. Step 2: Convert to fraction form
    219,690.41/329,535.63 = 79,416.23/x
  3. Step 3: Cross multiply
    219,690.41x = 329,535.63 × 79,416.23
  4. Step 4: Simplify right side
    219,690.41x = 26,170,475,737.60
  5. Step 5: Solve for x
    x = 26,170,475,737.60/219,690.41
  6. Step 6: Final answer
    x = 119,124.35

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1.5x scale

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.