Home / 382,252.77-527,515.29-210,177.78

Finding the Fourth Proportional to 382,252.77, 527,515.29 and 210,177.78

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Solution

The fourth proportional to 382,252.77, 527,515.29 and 210,177.78 is: 290,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,252.77 : 527,515.29 = 210,177.78 : x
  2. Step 2: Convert to fraction form
    382,252.77/527,515.29 = 210,177.78/x
  3. Step 3: Cross multiply
    382,252.77x = 527,515.29 × 210,177.78
  4. Step 4: Simplify right side
    382,252.77x = 110,871,992,568.26
  5. Step 5: Solve for x
    x = 110,871,992,568.26/382,252.77
  6. Step 6: Final answer
    x = 290,048.89

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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.