Home / 125,514.10-188,269.95-30,744.70

Finding the Fourth Proportional to 125,514.10, 188,269.95 and 30,744.70

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Solution

The fourth proportional to 125,514.10, 188,269.95 and 30,744.70 is: 46,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.10 : 188,269.95 = 30,744.70 : x
  2. Step 2: Convert to fraction form
    125,514.10/188,269.95 = 30,744.70/x
  3. Step 3: Cross multiply
    125,514.10x = 188,269.95 × 30,744.70
  4. Step 4: Simplify right side
    125,514.10x = 5,788,303,131.77
  5. Step 5: Solve for x
    x = 5,788,303,131.77/125,514.10
  6. Step 6: Final answer
    x = 46,116.76

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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.