Home / 254,624.40-351,389.25-139,910.20

Finding the Fourth Proportional to 254,624.40, 351,389.25 and 139,910.20

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Solution

The fourth proportional to 254,624.40, 351,389.25 and 139,910.20 is: 193,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,624.40 : 351,389.25 = 139,910.20 : x
  2. Step 2: Convert to fraction form
    254,624.40/351,389.25 = 139,910.20/x
  3. Step 3: Cross multiply
    254,624.40x = 351,389.25 × 139,910.20
  4. Step 4: Simplify right side
    254,624.40x = 49,162,939,366.88
  5. Step 5: Solve for x
    x = 49,162,939,366.88/254,624.40
  6. Step 6: Final answer
    x = 193,080.24

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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.