Home / 133,606.68-184,288.50-85,920.36

Finding the Fourth Proportional to 133,606.68, 184,288.50 and 85,920.36

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Solution

The fourth proportional to 133,606.68, 184,288.50 and 85,920.36 is: 118,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,606.68 : 184,288.50 = 85,920.36 : x
  2. Step 2: Convert to fraction form
    133,606.68/184,288.50 = 85,920.36/x
  3. Step 3: Cross multiply
    133,606.68x = 184,288.50 × 85,920.36
  4. Step 4: Simplify right side
    133,606.68x = 15,834,134,263.86
  5. Step 5: Solve for x
    x = 15,834,134,263.86/133,606.68
  6. Step 6: Final answer
    x = 118,513.04

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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.