Home / 259,151.14-357,640.68-151,755.76

Finding the Fourth Proportional to 259,151.14, 357,640.68 and 151,755.76

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Solution

The fourth proportional to 259,151.14, 357,640.68 and 151,755.76 is: 209,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,151.14 : 357,640.68 = 151,755.76 : x
  2. Step 2: Convert to fraction form
    259,151.14/357,640.68 = 151,755.76/x
  3. Step 3: Cross multiply
    259,151.14x = 357,640.68 × 151,755.76
  4. Step 4: Simplify right side
    259,151.14x = 54,274,033,200.32
  5. Step 5: Solve for x
    x = 54,274,033,200.32/259,151.14
  6. Step 6: Final answer
    x = 209,430.04

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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.