Home / 180,960.72-249,562.14-112,983.90

Finding the Fourth Proportional to 180,960.72, 249,562.14 and 112,983.90

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Solution

The fourth proportional to 180,960.72, 249,562.14 and 112,983.90 is: 155,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,960.72 : 249,562.14 = 112,983.90 : x
  2. Step 2: Convert to fraction form
    180,960.72/249,562.14 = 112,983.90/x
  3. Step 3: Cross multiply
    180,960.72x = 249,562.14 × 112,983.90
  4. Step 4: Simplify right side
    180,960.72x = 28,196,503,869.55
  5. Step 5: Solve for x
    x = 28,196,503,869.55/180,960.72
  6. Step 6: Final answer
    x = 155,815.60

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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.