Home / 134,726.46-185,907.48-86,306.28

Finding the Fourth Proportional to 134,726.46, 185,907.48 and 86,306.28

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Solution

The fourth proportional to 134,726.46, 185,907.48 and 86,306.28 is: 119,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,726.46 : 185,907.48 = 86,306.28 : x
  2. Step 2: Convert to fraction form
    134,726.46/185,907.48 = 86,306.28/x
  3. Step 3: Cross multiply
    134,726.46x = 185,907.48 × 86,306.28
  4. Step 4: Simplify right side
    134,726.46x = 16,044,983,022.97
  5. Step 5: Solve for x
    x = 16,044,983,022.97/134,726.46
  6. Step 6: Final answer
    x = 119,093.04

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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.