Home / 133,571.24-184,328.61-72,318.08

Finding the Fourth Proportional to 133,571.24, 184,328.61 and 72,318.08

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Solution

The fourth proportional to 133,571.24, 184,328.61 and 72,318.08 is: 99,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,571.24 : 184,328.61 = 72,318.08 : x
  2. Step 2: Convert to fraction form
    133,571.24/184,328.61 = 72,318.08/x
  3. Step 3: Cross multiply
    133,571.24x = 184,328.61 × 72,318.08
  4. Step 4: Simplify right side
    133,571.24x = 13,330,291,760.69
  5. Step 5: Solve for x
    x = 13,330,291,760.69/133,571.24
  6. Step 6: Final answer
    x = 99,799.11

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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.