Home / 180,436.44-249,002.82-99,869.56

Finding the Fourth Proportional to 180,436.44, 249,002.82 and 99,869.56

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Solution

The fourth proportional to 180,436.44, 249,002.82 and 99,869.56 is: 137,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,436.44 : 249,002.82 = 99,869.56 : x
  2. Step 2: Convert to fraction form
    180,436.44/249,002.82 = 99,869.56/x
  3. Step 3: Cross multiply
    180,436.44x = 249,002.82 × 99,869.56
  4. Step 4: Simplify right side
    180,436.44x = 24,867,802,072.16
  5. Step 5: Solve for x
    x = 24,867,802,072.16/180,436.44
  6. Step 6: Final answer
    x = 137,820.29

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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.