Home / 133,409.04-184,109.22-72,976.08

Finding the Fourth Proportional to 133,409.04, 184,109.22 and 72,976.08

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Solution

The fourth proportional to 133,409.04, 184,109.22 and 72,976.08 is: 100,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,409.04 : 184,109.22 = 72,976.08 : x
  2. Step 2: Convert to fraction form
    133,409.04/184,109.22 = 72,976.08/x
  3. Step 3: Cross multiply
    133,409.04x = 184,109.22 × 72,976.08
  4. Step 4: Simplify right side
    133,409.04x = 13,435,569,167.46
  5. Step 5: Solve for x
    x = 13,435,569,167.46/133,409.04
  6. Step 6: Final answer
    x = 100,709.59

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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.