Home / 133,562.74-184,321.55-76,211.40

Finding the Fourth Proportional to 133,562.74, 184,321.55 and 76,211.40

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Solution

The fourth proportional to 133,562.74, 184,321.55 and 76,211.40 is: 105,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,562.74 : 184,321.55 = 76,211.40 : x
  2. Step 2: Convert to fraction form
    133,562.74/184,321.55 = 76,211.40/x
  3. Step 3: Cross multiply
    133,562.74x = 184,321.55 × 76,211.40
  4. Step 4: Simplify right side
    133,562.74x = 14,047,403,375.67
  5. Step 5: Solve for x
    x = 14,047,403,375.67/133,562.74
  6. Step 6: Final answer
    x = 105,174.57

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1.5x scale

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.