Home / 194,779.20-291,950.10-82,440.30

Finding the Fourth Proportional to 194,779.20, 291,950.10 and 82,440.30

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Solution

The fourth proportional to 194,779.20, 291,950.10 and 82,440.30 is: 123,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,779.20 : 291,950.10 = 82,440.30 : x
  2. Step 2: Convert to fraction form
    194,779.20/291,950.10 = 82,440.30/x
  3. Step 3: Cross multiply
    194,779.20x = 291,950.10 × 82,440.30
  4. Step 4: Simplify right side
    194,779.20x = 24,068,453,829.03
  5. Step 5: Solve for x
    x = 24,068,453,829.03/194,779.20
  6. Step 6: Final answer
    x = 123,567.89

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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.