Home / 180,621.45-249,265.81-100,048.96

Finding the Fourth Proportional to 180,621.45, 249,265.81 and 100,048.96

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Solution

The fourth proportional to 180,621.45, 249,265.81 and 100,048.96 is: 138,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,621.45 : 249,265.81 = 100,048.96 : x
  2. Step 2: Convert to fraction form
    180,621.45/249,265.81 = 100,048.96/x
  3. Step 3: Cross multiply
    180,621.45x = 249,265.81 × 100,048.96
  4. Step 4: Simplify right side
    180,621.45x = 24,938,785,488.56
  5. Step 5: Solve for x
    x = 24,938,785,488.56/180,621.45
  6. Step 6: Final answer
    x = 138,072.11

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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.