Home / 122,782.85-184,066.28-83,211.65

Finding the Fourth Proportional to 122,782.85, 184,066.28 and 83,211.65

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Solution

The fourth proportional to 122,782.85, 184,066.28 and 83,211.65 is: 124,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,782.85 : 184,066.28 = 83,211.65 : x
  2. Step 2: Convert to fraction form
    122,782.85/184,066.28 = 83,211.65/x
  3. Step 3: Cross multiply
    122,782.85x = 184,066.28 × 83,211.65
  4. Step 4: Simplify right side
    122,782.85x = 15,316,458,452.10
  5. Step 5: Solve for x
    x = 15,316,458,452.10/122,782.85
  6. Step 6: Final answer
    x = 124,744.28

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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.