Home / 289,748.10-434,622.15-201,174.60

Finding the Fourth Proportional to 289,748.10, 434,622.15 and 201,174.60

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Solution

The fourth proportional to 289,748.10, 434,622.15 and 201,174.60 is: 301,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,748.10 : 434,622.15 = 201,174.60 : x
  2. Step 2: Convert to fraction form
    289,748.10/434,622.15 = 201,174.60/x
  3. Step 3: Cross multiply
    289,748.10x = 434,622.15 × 201,174.60
  4. Step 4: Simplify right side
    289,748.10x = 87,434,937,177.39
  5. Step 5: Solve for x
    x = 87,434,937,177.39/289,748.10
  6. Step 6: Final answer
    x = 301,761.90

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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.