Home / 125,678.18-188,518.56-36,933.26

Finding the Fourth Proportional to 125,678.18, 188,518.56 and 36,933.26

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Solution

The fourth proportional to 125,678.18, 188,518.56 and 36,933.26 is: 55,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,678.18 : 188,518.56 = 36,933.26 : x
  2. Step 2: Convert to fraction form
    125,678.18/188,518.56 = 36,933.26/x
  3. Step 3: Cross multiply
    125,678.18x = 188,518.56 × 36,933.26
  4. Step 4: Simplify right side
    125,678.18x = 6,962,604,991.31
  5. Step 5: Solve for x
    x = 6,962,604,991.31/125,678.18
  6. Step 6: Final answer
    x = 55,400.27

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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.