Home / 125,871.24-188,806.63-37,187.04

Finding the Fourth Proportional to 125,871.24, 188,806.63 and 37,187.04

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Solution

The fourth proportional to 125,871.24, 188,806.63 and 37,187.04 is: 55,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,871.24 : 188,806.63 = 37,187.04 : x
  2. Step 2: Convert to fraction form
    125,871.24/188,806.63 = 37,187.04/x
  3. Step 3: Cross multiply
    125,871.24x = 188,806.63 × 37,187.04
  4. Step 4: Simplify right side
    125,871.24x = 7,021,159,702.08
  5. Step 5: Solve for x
    x = 7,021,159,702.08/125,871.24
  6. Step 6: Final answer
    x = 55,780.49

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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.