Home / 133,583.16-184,365-76,222.20

Finding the Fourth Proportional to 133,583.16, 184,365 and 76,222.20

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Solution

The fourth proportional to 133,583.16, 184,365 and 76,222.20 is: 105,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,583.16 : 184,365 = 76,222.20 : x
  2. Step 2: Convert to fraction form
    133,583.16/184,365 = 76,222.20/x
  3. Step 3: Cross multiply
    133,583.16x = 184,365 × 76,222.20
  4. Step 4: Simplify right side
    133,583.16x = 14,052,705,903
  5. Step 5: Solve for x
    x = 14,052,705,903/133,583.16
  6. Step 6: Final answer
    x = 105,198.18

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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.