Home / 133,840.96-184,697.12-77,261.76

Finding the Fourth Proportional to 133,840.96, 184,697.12 and 77,261.76

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Solution

The fourth proportional to 133,840.96, 184,697.12 and 77,261.76 is: 106,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840.96 : 184,697.12 = 77,261.76 : x
  2. Step 2: Convert to fraction form
    133,840.96/184,697.12 = 77,261.76/x
  3. Step 3: Cross multiply
    133,840.96x = 184,697.12 × 77,261.76
  4. Step 4: Simplify right side
    133,840.96x = 14,270,024,558.13
  5. Step 5: Solve for x
    x = 14,270,024,558.13/133,840.96
  6. Step 6: Final answer
    x = 106,619.26

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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.