Home / 174,018.20-261,027.30-80,706.20

Finding the Fourth Proportional to 174,018.20, 261,027.30 and 80,706.20

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Solution

The fourth proportional to 174,018.20, 261,027.30 and 80,706.20 is: 121,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,018.20 : 261,027.30 = 80,706.20 : x
  2. Step 2: Convert to fraction form
    174,018.20/261,027.30 = 80,706.20/x
  3. Step 3: Cross multiply
    174,018.20x = 261,027.30 × 80,706.20
  4. Step 4: Simplify right side
    174,018.20x = 21,066,521,479.26
  5. Step 5: Solve for x
    x = 21,066,521,479.26/174,018.20
  6. Step 6: Final answer
    x = 121,059.30

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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.