Home / 180,906.79-249,666.66-100,360.24

Finding the Fourth Proportional to 180,906.79, 249,666.66 and 100,360.24

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Solution

The fourth proportional to 180,906.79, 249,666.66 and 100,360.24 is: 138,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,906.79 : 249,666.66 = 100,360.24 : x
  2. Step 2: Convert to fraction form
    180,906.79/249,666.66 = 100,360.24/x
  3. Step 3: Cross multiply
    180,906.79x = 249,666.66 × 100,360.24
  4. Step 4: Simplify right side
    180,906.79x = 25,056,605,917.60
  5. Step 5: Solve for x
    x = 25,056,605,917.60/180,906.79
  6. Step 6: Final answer
    x = 138,505.61

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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.