Home / 106,148.98-146,486.76-57,751.19

Finding the Fourth Proportional to 106,148.98, 146,486.76 and 57,751.19

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Solution

The fourth proportional to 106,148.98, 146,486.76 and 57,751.19 is: 79,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,148.98 : 146,486.76 = 57,751.19 : x
  2. Step 2: Convert to fraction form
    106,148.98/146,486.76 = 57,751.19/x
  3. Step 3: Cross multiply
    106,148.98x = 146,486.76 × 57,751.19
  4. Step 4: Simplify right side
    106,148.98x = 8,459,783,976.81
  5. Step 5: Solve for x
    x = 8,459,783,976.81/106,148.98
  6. Step 6: Final answer
    x = 79,697.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.