Home / 180,857.85-249,582.82-100,297.27

Finding the Fourth Proportional to 180,857.85, 249,582.82 and 100,297.27

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Solution

The fourth proportional to 180,857.85, 249,582.82 and 100,297.27 is: 138,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,857.85 : 249,582.82 = 100,297.27 : x
  2. Step 2: Convert to fraction form
    180,857.85/249,582.82 = 100,297.27/x
  3. Step 3: Cross multiply
    180,857.85x = 249,582.82 × 100,297.27
  4. Step 4: Simplify right side
    180,857.85x = 25,032,475,734.19
  5. Step 5: Solve for x
    x = 25,032,475,734.19/180,857.85
  6. Step 6: Final answer
    x = 138,409.68

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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.