Home / 180,849.36-249,531.72-108,240.96

Finding the Fourth Proportional to 180,849.36, 249,531.72 and 108,240.96

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Solution

The fourth proportional to 180,849.36, 249,531.72 and 108,240.96 is: 149,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,849.36 : 249,531.72 = 108,240.96 : x
  2. Step 2: Convert to fraction form
    180,849.36/249,531.72 = 108,240.96/x
  3. Step 3: Cross multiply
    180,849.36x = 249,531.72 × 108,240.96
  4. Step 4: Simplify right side
    180,849.36x = 27,009,552,923.25
  5. Step 5: Solve for x
    x = 27,009,552,923.25/180,849.36
  6. Step 6: Final answer
    x = 149,348.35

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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.