Home / 180,577.80-249,198.06-100,003.56

Finding the Fourth Proportional to 180,577.80, 249,198.06 and 100,003.56

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Solution

The fourth proportional to 180,577.80, 249,198.06 and 100,003.56 is: 138,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,577.80 : 249,198.06 = 100,003.56 : x
  2. Step 2: Convert to fraction form
    180,577.80/249,198.06 = 100,003.56/x
  3. Step 3: Cross multiply
    180,577.80x = 249,198.06 × 100,003.56
  4. Step 4: Simplify right side
    180,577.80x = 24,920,693,145.09
  5. Step 5: Solve for x
    x = 24,920,693,145.09/180,577.80
  6. Step 6: Final answer
    x = 138,005.30

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1.5x scale

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.