Home / 179,690.40-269,179.20-157,528.80

Finding the Fourth Proportional to 179,690.40, 269,179.20 and 157,528.80

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Solution

The fourth proportional to 179,690.40, 269,179.20 and 157,528.80 is: 235,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,690.40 : 269,179.20 = 157,528.80 : x
  2. Step 2: Convert to fraction form
    179,690.40/269,179.20 = 157,528.80/x
  3. Step 3: Cross multiply
    179,690.40x = 269,179.20 × 157,528.80
  4. Step 4: Simplify right side
    179,690.40x = 42,403,476,360.96
  5. Step 5: Solve for x
    x = 42,403,476,360.96/179,690.40
  6. Step 6: Final answer
    x = 235,980.76

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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.