Home / 311,120.04-466,748.10-100,779.24

Finding the Fourth Proportional to 311,120.04, 466,748.10 and 100,779.24

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Solution

The fourth proportional to 311,120.04, 466,748.10 and 100,779.24 is: 151,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,120.04 : 466,748.10 = 100,779.24 : x
  2. Step 2: Convert to fraction form
    311,120.04/466,748.10 = 100,779.24/x
  3. Step 3: Cross multiply
    311,120.04x = 466,748.10 × 100,779.24
  4. Step 4: Simplify right side
    311,120.04x = 47,038,515,951.81
  5. Step 5: Solve for x
    x = 47,038,515,951.81/311,120.04
  6. Step 6: Final answer
    x = 151,190.89

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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.