Home / 180,906.54-249,666.32-100,359.99

Finding the Fourth Proportional to 180,906.54, 249,666.32 and 100,359.99

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Solution

The fourth proportional to 180,906.54, 249,666.32 and 100,359.99 is: 138,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,906.54 : 249,666.32 = 100,359.99 : x
  2. Step 2: Convert to fraction form
    180,906.54/249,666.32 = 100,359.99/x
  3. Step 3: Cross multiply
    180,906.54x = 249,666.32 × 100,359.99
  4. Step 4: Simplify right side
    180,906.54x = 25,056,508,876.74
  5. Step 5: Solve for x
    x = 25,056,508,876.74/180,906.54
  6. Step 6: Final answer
    x = 138,505.27

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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.