Home / 258,214.15-356,235.73-190,391.64

Finding the Fourth Proportional to 258,214.15, 356,235.73 and 190,391.64

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Solution

The fourth proportional to 258,214.15, 356,235.73 and 190,391.64 is: 262,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,214.15 : 356,235.73 = 190,391.64 : x
  2. Step 2: Convert to fraction form
    258,214.15/356,235.73 = 190,391.64/x
  3. Step 3: Cross multiply
    258,214.15x = 356,235.73 × 190,391.64
  4. Step 4: Simplify right side
    258,214.15x = 67,824,304,861.30
  5. Step 5: Solve for x
    x = 67,824,304,861.30/258,214.15
  6. Step 6: Final answer
    x = 262,666.88

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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.