Home / 258,632.38-356,859.16-151,181.62

Finding the Fourth Proportional to 258,632.38, 356,859.16 and 151,181.62

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Solution

The fourth proportional to 258,632.38, 356,859.16 and 151,181.62 is: 208,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,632.38 : 356,859.16 = 151,181.62 : x
  2. Step 2: Convert to fraction form
    258,632.38/356,859.16 = 151,181.62/x
  3. Step 3: Cross multiply
    258,632.38x = 356,859.16 × 151,181.62
  4. Step 4: Simplify right side
    258,632.38x = 53,950,545,920.64
  5. Step 5: Solve for x
    x = 53,950,545,920.64/258,632.38
  6. Step 6: Final answer
    x = 208,599.35

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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.