Home / 199,432.32-275,211.57-108,790.35

Finding the Fourth Proportional to 199,432.32, 275,211.57 and 108,790.35

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Solution

The fourth proportional to 199,432.32, 275,211.57 and 108,790.35 is: 150,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432.32 : 275,211.57 = 108,790.35 : x
  2. Step 2: Convert to fraction form
    199,432.32/275,211.57 = 108,790.35/x
  3. Step 3: Cross multiply
    199,432.32x = 275,211.57 × 108,790.35
  4. Step 4: Simplify right side
    199,432.32x = 29,940,363,024.35
  5. Step 5: Solve for x
    x = 29,940,363,024.35/199,432.32
  6. Step 6: Final answer
    x = 150,127.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.