Home / 445,779.02-668,834.98-179,615.04

Finding the Fourth Proportional to 445,779.02, 668,834.98 and 179,615.04

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Solution

The fourth proportional to 445,779.02, 668,834.98 and 179,615.04 is: 269,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,779.02 : 668,834.98 = 179,615.04 : x
  2. Step 2: Convert to fraction form
    445,779.02/668,834.98 = 179,615.04/x
  3. Step 3: Cross multiply
    445,779.02x = 668,834.98 × 179,615.04
  4. Step 4: Simplify right side
    445,779.02x = 120,132,821,686.10
  5. Step 5: Solve for x
    x = 120,132,821,686.10/445,779.02
  6. Step 6: Final answer
    x = 269,489.63

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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.