Home / 133,622.46-184,353.21-76,220.55

Finding the Fourth Proportional to 133,622.46, 184,353.21 and 76,220.55

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Solution

The fourth proportional to 133,622.46, 184,353.21 and 76,220.55 is: 105,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.46 : 184,353.21 = 76,220.55 : x
  2. Step 2: Convert to fraction form
    133,622.46/184,353.21 = 76,220.55/x
  3. Step 3: Cross multiply
    133,622.46x = 184,353.21 × 76,220.55
  4. Step 4: Simplify right side
    133,622.46x = 14,051,503,060.47
  5. Step 5: Solve for x
    x = 14,051,503,060.47/133,622.46
  6. Step 6: Final answer
    x = 105,158.24

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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.