Home / 180,845.32-249,517.08-108,218.98

Finding the Fourth Proportional to 180,845.32, 249,517.08 and 108,218.98

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Solution

The fourth proportional to 180,845.32, 249,517.08 and 108,218.98 is: 149,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,845.32 : 249,517.08 = 108,218.98 : x
  2. Step 2: Convert to fraction form
    180,845.32/249,517.08 = 108,218.98/x
  3. Step 3: Cross multiply
    180,845.32x = 249,517.08 × 108,218.98
  4. Step 4: Simplify right side
    180,845.32x = 27,002,483,890.18
  5. Step 5: Solve for x
    x = 27,002,483,890.18/180,845.32
  6. Step 6: Final answer
    x = 149,312.59

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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.