Home / 122,678.96-184,018.24-38,445.60

Finding the Fourth Proportional to 122,678.96, 184,018.24 and 38,445.60

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Solution

The fourth proportional to 122,678.96, 184,018.24 and 38,445.60 is: 57,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,678.96 : 184,018.24 = 38,445.60 : x
  2. Step 2: Convert to fraction form
    122,678.96/184,018.24 = 38,445.60/x
  3. Step 3: Cross multiply
    122,678.96x = 184,018.24 × 38,445.60
  4. Step 4: Simplify right side
    122,678.96x = 7,074,691,647.74
  5. Step 5: Solve for x
    x = 7,074,691,647.74/122,678.96
  6. Step 6: Final answer
    x = 57,668.34

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1.5x scale

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.