Home / 180,769.25-249,459.08-100,195.04

Finding the Fourth Proportional to 180,769.25, 249,459.08 and 100,195.04

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Solution

The fourth proportional to 180,769.25, 249,459.08 and 100,195.04 is: 138,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,769.25 : 249,459.08 = 100,195.04 : x
  2. Step 2: Convert to fraction form
    180,769.25/249,459.08 = 100,195.04/x
  3. Step 3: Cross multiply
    180,769.25x = 249,459.08 × 100,195.04
  4. Step 4: Simplify right side
    180,769.25x = 24,994,562,621.64
  5. Step 5: Solve for x
    x = 24,994,562,621.64/180,769.25
  6. Step 6: Final answer
    x = 138,267.78

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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.