Home / 180,960.06-249,687.83-100,370.33

Finding the Fourth Proportional to 180,960.06, 249,687.83 and 100,370.33

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Solution

The fourth proportional to 180,960.06, 249,687.83 and 100,370.33 is: 138,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,960.06 : 249,687.83 = 100,370.33 : x
  2. Step 2: Convert to fraction form
    180,960.06/249,687.83 = 100,370.33/x
  3. Step 3: Cross multiply
    180,960.06x = 249,687.83 × 100,370.33
  4. Step 4: Simplify right side
    180,960.06x = 25,061,249,894.08
  5. Step 5: Solve for x
    x = 25,061,249,894.08/180,960.06
  6. Step 6: Final answer
    x = 138,490.50

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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.