Home / 258,279.81-387,518.12-233,233.17

Finding the Fourth Proportional to 258,279.81, 387,518.12 and 233,233.17

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Solution

The fourth proportional to 258,279.81, 387,518.12 and 233,233.17 is: 349,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,279.81 : 387,518.12 = 233,233.17 : x
  2. Step 2: Convert to fraction form
    258,279.81/387,518.12 = 233,233.17/x
  3. Step 3: Cross multiply
    258,279.81x = 387,518.12 × 233,233.17
  4. Step 4: Simplify right side
    258,279.81x = 90,382,078,393.87
  5. Step 5: Solve for x
    x = 90,382,078,393.87/258,279.81
  6. Step 6: Final answer
    x = 349,938.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.