Home / 291,913.32-402,847.38-162,850.80

Finding the Fourth Proportional to 291,913.32, 402,847.38 and 162,850.80

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Solution

The fourth proportional to 291,913.32, 402,847.38 and 162,850.80 is: 224,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,913.32 : 402,847.38 = 162,850.80 : x
  2. Step 2: Convert to fraction form
    291,913.32/402,847.38 = 162,850.80/x
  3. Step 3: Cross multiply
    291,913.32x = 402,847.38 × 162,850.80
  4. Step 4: Simplify right side
    291,913.32x = 65,604,018,110.90
  5. Step 5: Solve for x
    x = 65,604,018,110.90/291,913.32
  6. Step 6: Final answer
    x = 224,738.01

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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.