Home / 133,572.51-184,350.87-76,211.73

Finding the Fourth Proportional to 133,572.51, 184,350.87 and 76,211.73

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Solution

The fourth proportional to 133,572.51, 184,350.87 and 76,211.73 is: 105,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,572.51 : 184,350.87 = 76,211.73 : x
  2. Step 2: Convert to fraction form
    133,572.51/184,350.87 = 76,211.73/x
  3. Step 3: Cross multiply
    133,572.51x = 184,350.87 × 76,211.73
  4. Step 4: Simplify right side
    133,572.51x = 14,049,698,729.71
  5. Step 5: Solve for x
    x = 14,049,698,729.71/133,572.51
  6. Step 6: Final answer
    x = 105,184.06

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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.