Home / 133,529.55-184,285.43-85,133.22

Finding the Fourth Proportional to 133,529.55, 184,285.43 and 85,133.22

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Solution

The fourth proportional to 133,529.55, 184,285.43 and 85,133.22 is: 117,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,529.55 : 184,285.43 = 85,133.22 : x
  2. Step 2: Convert to fraction form
    133,529.55/184,285.43 = 85,133.22/x
  3. Step 3: Cross multiply
    133,529.55x = 184,285.43 × 85,133.22
  4. Step 4: Simplify right side
    133,529.55x = 15,688,812,054.98
  5. Step 5: Solve for x
    x = 15,688,812,054.98/133,529.55
  6. Step 6: Final answer
    x = 117,493.18

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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.