Home / 211,755.54-316,110.12-181,443.36

Finding the Fourth Proportional to 211,755.54, 316,110.12 and 181,443.36

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Solution

The fourth proportional to 211,755.54, 316,110.12 and 181,443.36 is: 270,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,755.54 : 316,110.12 = 181,443.36 : x
  2. Step 2: Convert to fraction form
    211,755.54/316,110.12 = 181,443.36/x
  3. Step 3: Cross multiply
    211,755.54x = 316,110.12 × 181,443.36
  4. Step 4: Simplify right side
    211,755.54x = 57,356,082,302.80
  5. Step 5: Solve for x
    x = 57,356,082,302.80/211,755.54
  6. Step 6: Final answer
    x = 270,859.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.