Home / 125,678.84-188,546.16-41,465.12

Finding the Fourth Proportional to 125,678.84, 188,546.16 and 41,465.12

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Solution

The fourth proportional to 125,678.84, 188,546.16 and 41,465.12 is: 62,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,678.84 : 188,546.16 = 41,465.12 : x
  2. Step 2: Convert to fraction form
    125,678.84/188,546.16 = 41,465.12/x
  3. Step 3: Cross multiply
    125,678.84x = 188,546.16 × 41,465.12
  4. Step 4: Simplify right side
    125,678.84x = 7,818,089,149.94
  5. Step 5: Solve for x
    x = 7,818,089,149.94/125,678.84
  6. Step 6: Final answer
    x = 62,206.89

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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.