Home / 133,340.42-184,009.77-72,911.11

Finding the Fourth Proportional to 133,340.42, 184,009.77 and 72,911.11

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Solution

The fourth proportional to 133,340.42, 184,009.77 and 72,911.11 is: 100,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,340.42 : 184,009.77 = 72,911.11 : x
  2. Step 2: Convert to fraction form
    133,340.42/184,009.77 = 72,911.11/x
  3. Step 3: Cross multiply
    133,340.42x = 184,009.77 × 72,911.11
  4. Step 4: Simplify right side
    133,340.42x = 13,416,355,296.94
  5. Step 5: Solve for x
    x = 13,416,355,296.94/133,340.42
  6. Step 6: Final answer
    x = 100,617.32

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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.