Home / 133,623.45-184,403.33-76,261.63

Finding the Fourth Proportional to 133,623.45, 184,403.33 and 76,261.63

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Solution

The fourth proportional to 133,623.45, 184,403.33 and 76,261.63 is: 105,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.45 : 184,403.33 = 76,261.63 : x
  2. Step 2: Convert to fraction form
    133,623.45/184,403.33 = 76,261.63/x
  3. Step 3: Cross multiply
    133,623.45x = 184,403.33 × 76,261.63
  4. Step 4: Simplify right side
    133,623.45x = 14,062,898,523.23
  5. Step 5: Solve for x
    x = 14,062,898,523.23/133,623.45
  6. Step 6: Final answer
    x = 105,242.74

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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.