Home / 180,380.88-249,025.72-108,779.04

Finding the Fourth Proportional to 180,380.88, 249,025.72 and 108,779.04

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Solution

The fourth proportional to 180,380.88, 249,025.72 and 108,779.04 is: 150,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,380.88 : 249,025.72 = 108,779.04 : x
  2. Step 2: Convert to fraction form
    180,380.88/249,025.72 = 108,779.04/x
  3. Step 3: Cross multiply
    180,380.88x = 249,025.72 × 108,779.04
  4. Step 4: Simplify right side
    180,380.88x = 27,088,778,756.91
  5. Step 5: Solve for x
    x = 27,088,778,756.91/180,380.88
  6. Step 6: Final answer
    x = 150,175.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.