Home / 180,782.22-249,167.88-120,244.62

Finding the Fourth Proportional to 180,782.22, 249,167.88 and 120,244.62

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Solution

The fourth proportional to 180,782.22, 249,167.88 and 120,244.62 is: 165,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,782.22 : 249,167.88 = 120,244.62 : x
  2. Step 2: Convert to fraction form
    180,782.22/249,167.88 = 120,244.62/x
  3. Step 3: Cross multiply
    180,782.22x = 249,167.88 × 120,244.62
  4. Step 4: Simplify right side
    180,782.22x = 29,961,097,046.81
  5. Step 5: Solve for x
    x = 29,961,097,046.81/180,782.22
  6. Step 6: Final answer
    x = 165,730.33

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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.