Home / 155,513.14-214,608.45-88,445.14

Finding the Fourth Proportional to 155,513.14, 214,608.45 and 88,445.14

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Solution

The fourth proportional to 155,513.14, 214,608.45 and 88,445.14 is: 122,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,513.14 : 214,608.45 = 88,445.14 : x
  2. Step 2: Convert to fraction form
    155,513.14/214,608.45 = 88,445.14/x
  3. Step 3: Cross multiply
    155,513.14x = 214,608.45 × 88,445.14
  4. Step 4: Simplify right side
    155,513.14x = 18,981,074,405.43
  5. Step 5: Solve for x
    x = 18,981,074,405.43/155,513.14
  6. Step 6: Final answer
    x = 122,054.47

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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.