Home / 133,776.80-184,604.93-76,404.85

Finding the Fourth Proportional to 133,776.80, 184,604.93 and 76,404.85

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Solution

The fourth proportional to 133,776.80, 184,604.93 and 76,404.85 is: 105,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,776.80 : 184,604.93 = 76,404.85 : x
  2. Step 2: Convert to fraction form
    133,776.80/184,604.93 = 76,404.85/x
  3. Step 3: Cross multiply
    133,776.80x = 184,604.93 × 76,404.85
  4. Step 4: Simplify right side
    133,776.80x = 14,104,711,715.41
  5. Step 5: Solve for x
    x = 14,104,711,715.41/133,776.80
  6. Step 6: Final answer
    x = 105,434.66

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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.