Home / 180,667.80-249,314.94-104,190.12

Finding the Fourth Proportional to 180,667.80, 249,314.94 and 104,190.12

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Solution

The fourth proportional to 180,667.80, 249,314.94 and 104,190.12 is: 143,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,667.80 : 249,314.94 = 104,190.12 : x
  2. Step 2: Convert to fraction form
    180,667.80/249,314.94 = 104,190.12/x
  3. Step 3: Cross multiply
    180,667.80x = 249,314.94 × 104,190.12
  4. Step 4: Simplify right side
    180,667.80x = 25,976,152,269.82
  5. Step 5: Solve for x
    x = 25,976,152,269.82/180,667.80
  6. Step 6: Final answer
    x = 143,778.54

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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.