Home / 219,326.40-329,119.20-160,012.80

Finding the Fourth Proportional to 219,326.40, 329,119.20 and 160,012.80

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Solution

The fourth proportional to 219,326.40, 329,119.20 and 160,012.80 is: 240,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,326.40 : 329,119.20 = 160,012.80 : x
  2. Step 2: Convert to fraction form
    219,326.40/329,119.20 = 160,012.80/x
  3. Step 3: Cross multiply
    219,326.40x = 329,119.20 × 160,012.80
  4. Step 4: Simplify right side
    219,326.40x = 52,663,284,725.76
  5. Step 5: Solve for x
    x = 52,663,284,725.76/219,326.40
  6. Step 6: Final answer
    x = 240,113.75

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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.