Home / 180,668.55-249,315.97-104,190.87

Finding the Fourth Proportional to 180,668.55, 249,315.97 and 104,190.87

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Solution

The fourth proportional to 180,668.55, 249,315.97 and 104,190.87 is: 143,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,668.55 : 249,315.97 = 104,190.87 : x
  2. Step 2: Convert to fraction form
    180,668.55/249,315.97 = 104,190.87/x
  3. Step 3: Cross multiply
    180,668.55x = 249,315.97 × 104,190.87
  4. Step 4: Simplify right side
    180,668.55x = 25,976,447,819.19
  5. Step 5: Solve for x
    x = 25,976,447,819.19/180,668.55
  6. Step 6: Final answer
    x = 143,779.58

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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.