Home / 374,455.10-561,682.65-149,850.20

Finding the Fourth Proportional to 374,455.10, 561,682.65 and 149,850.20

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Solution

The fourth proportional to 374,455.10, 561,682.65 and 149,850.20 is: 224,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,455.10 : 561,682.65 = 149,850.20 : x
  2. Step 2: Convert to fraction form
    374,455.10/561,682.65 = 149,850.20/x
  3. Step 3: Cross multiply
    374,455.10x = 561,682.65 × 149,850.20
  4. Step 4: Simplify right side
    374,455.10x = 84,168,257,439.03
  5. Step 5: Solve for x
    x = 84,168,257,439.03/374,455.10
  6. Step 6: Final answer
    x = 224,775.30

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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.