Home / 410,649.03-615,972.62-111,137.55

Finding the Fourth Proportional to 410,649.03, 615,972.62 and 111,137.55

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Solution

The fourth proportional to 410,649.03, 615,972.62 and 111,137.55 is: 166,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,649.03 : 615,972.62 = 111,137.55 : x
  2. Step 2: Convert to fraction form
    410,649.03/615,972.62 = 111,137.55/x
  3. Step 3: Cross multiply
    410,649.03x = 615,972.62 × 111,137.55
  4. Step 4: Simplify right side
    410,649.03x = 68,457,687,298.19
  5. Step 5: Solve for x
    x = 68,457,687,298.19/410,649.03
  6. Step 6: Final answer
    x = 166,706.07

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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.