Home / 133,608.40-184,337.64-77,011.92

Finding the Fourth Proportional to 133,608.40, 184,337.64 and 77,011.92

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Solution

The fourth proportional to 133,608.40, 184,337.64 and 77,011.92 is: 106,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,608.40 : 184,337.64 = 77,011.92 : x
  2. Step 2: Convert to fraction form
    133,608.40/184,337.64 = 77,011.92/x
  3. Step 3: Cross multiply
    133,608.40x = 184,337.64 × 77,011.92
  4. Step 4: Simplify right side
    133,608.40x = 14,196,195,584.67
  5. Step 5: Solve for x
    x = 14,196,195,584.67/133,608.40
  6. Step 6: Final answer
    x = 106,252.27

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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.