Home / 258,313.06-356,500.86-156,394.66

Finding the Fourth Proportional to 258,313.06, 356,500.86 and 156,394.66

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Solution

The fourth proportional to 258,313.06, 356,500.86 and 156,394.66 is: 215,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,313.06 : 356,500.86 = 156,394.66 : x
  2. Step 2: Convert to fraction form
    258,313.06/356,500.86 = 156,394.66/x
  3. Step 3: Cross multiply
    258,313.06x = 356,500.86 × 156,394.66
  4. Step 4: Simplify right side
    258,313.06x = 55,754,830,789.41
  5. Step 5: Solve for x
    x = 55,754,830,789.41/258,313.06
  6. Step 6: Final answer
    x = 215,842.09

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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.