Home / 180,540.73-249,148.83-99,968.10

Finding the Fourth Proportional to 180,540.73, 249,148.83 and 99,968.10

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Solution

The fourth proportional to 180,540.73, 249,148.83 and 99,968.10 is: 137,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,540.73 : 249,148.83 = 99,968.10 : x
  2. Step 2: Convert to fraction form
    180,540.73/249,148.83 = 99,968.10/x
  3. Step 3: Cross multiply
    180,540.73x = 249,148.83 × 99,968.10
  4. Step 4: Simplify right side
    180,540.73x = 24,906,935,152.32
  5. Step 5: Solve for x
    x = 24,906,935,152.32/180,540.73
  6. Step 6: Final answer
    x = 137,957.43

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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.