Home / 415,834.20-623,751.30-149,603.40

Finding the Fourth Proportional to 415,834.20, 623,751.30 and 149,603.40

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Solution

The fourth proportional to 415,834.20, 623,751.30 and 149,603.40 is: 224,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,834.20 : 623,751.30 = 149,603.40 : x
  2. Step 2: Convert to fraction form
    415,834.20/623,751.30 = 149,603.40/x
  3. Step 3: Cross multiply
    415,834.20x = 623,751.30 × 149,603.40
  4. Step 4: Simplify right side
    415,834.20x = 93,315,315,234.42
  5. Step 5: Solve for x
    x = 93,315,315,234.42/415,834.20
  6. Step 6: Final answer
    x = 224,405.10

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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.