Home / 169,947.02-254,920.50-80,930.62

Finding the Fourth Proportional to 169,947.02, 254,920.50 and 80,930.62

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Solution

The fourth proportional to 169,947.02, 254,920.50 and 80,930.62 is: 121,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,947.02 : 254,920.50 = 80,930.62 : x
  2. Step 2: Convert to fraction form
    169,947.02/254,920.50 = 80,930.62/x
  3. Step 3: Cross multiply
    169,947.02x = 254,920.50 × 80,930.62
  4. Step 4: Simplify right side
    169,947.02x = 20,630,874,115.71
  5. Step 5: Solve for x
    x = 20,630,874,115.71/169,947.02
  6. Step 6: Final answer
    x = 121,395.92

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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.