Home / 188,296.17-259,847.71-102,254.40

Finding the Fourth Proportional to 188,296.17, 259,847.71 and 102,254.40

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Solution

The fourth proportional to 188,296.17, 259,847.71 and 102,254.40 is: 141,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,296.17 : 259,847.71 = 102,254.40 : x
  2. Step 2: Convert to fraction form
    188,296.17/259,847.71 = 102,254.40/x
  3. Step 3: Cross multiply
    188,296.17x = 259,847.71 × 102,254.40
  4. Step 4: Simplify right side
    188,296.17x = 26,570,571,677.42
  5. Step 5: Solve for x
    x = 26,570,571,677.42/188,296.17
  6. Step 6: Final answer
    x = 141,110.53

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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.