Home / 133,605.54-184,378.95-73,178.73

Finding the Fourth Proportional to 133,605.54, 184,378.95 and 73,178.73

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Solution

The fourth proportional to 133,605.54, 184,378.95 and 73,178.73 is: 100,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,605.54 : 184,378.95 = 73,178.73 : x
  2. Step 2: Convert to fraction form
    133,605.54/184,378.95 = 73,178.73/x
  3. Step 3: Cross multiply
    133,605.54x = 184,378.95 × 73,178.73
  4. Step 4: Simplify right side
    133,605.54x = 13,492,617,399.73
  5. Step 5: Solve for x
    x = 13,492,617,399.73/133,605.54
  6. Step 6: Final answer
    x = 100,988.46

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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.