Home / 125,920.10-188,900.66-37,182.57

Finding the Fourth Proportional to 125,920.10, 188,900.66 and 37,182.57

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Solution

The fourth proportional to 125,920.10, 188,900.66 and 37,182.57 is: 55,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920.10 : 188,900.66 = 37,182.57 : x
  2. Step 2: Convert to fraction form
    125,920.10/188,900.66 = 37,182.57/x
  3. Step 3: Cross multiply
    125,920.10x = 188,900.66 × 37,182.57
  4. Step 4: Simplify right side
    125,920.10x = 7,023,811,827.58
  5. Step 5: Solve for x
    x = 7,023,811,827.58/125,920.10
  6. Step 6: Final answer
    x = 55,779.91

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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.