Home / 190,841.30-286,306.91-57,722.66

Finding the Fourth Proportional to 190,841.30, 286,306.91 and 57,722.66

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Solution

The fourth proportional to 190,841.30, 286,306.91 and 57,722.66 is: 86,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.30 : 286,306.91 = 57,722.66 : x
  2. Step 2: Convert to fraction form
    190,841.30/286,306.91 = 57,722.66/x
  3. Step 3: Cross multiply
    190,841.30x = 286,306.91 × 57,722.66
  4. Step 4: Simplify right side
    190,841.30x = 16,526,396,421.58
  5. Step 5: Solve for x
    x = 16,526,396,421.58/190,841.30
  6. Step 6: Final answer
    x = 86,597.59

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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.