Home / 258,360.12-356,867.64-197,561.52

Finding the Fourth Proportional to 258,360.12, 356,867.64 and 197,561.52

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Solution

The fourth proportional to 258,360.12, 356,867.64 and 197,561.52 is: 272,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,360.12 : 356,867.64 = 197,561.52 : x
  2. Step 2: Convert to fraction form
    258,360.12/356,867.64 = 197,561.52/x
  3. Step 3: Cross multiply
    258,360.12x = 356,867.64 × 197,561.52
  4. Step 4: Simplify right side
    258,360.12x = 70,503,313,397.21
  5. Step 5: Solve for x
    x = 70,503,313,397.21/258,360.12
  6. Step 6: Final answer
    x = 272,887.76

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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.