Home / 133,551.77-184,322.12-76,191.21

Finding the Fourth Proportional to 133,551.77, 184,322.12 and 76,191.21

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Solution

The fourth proportional to 133,551.77, 184,322.12 and 76,191.21 is: 105,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,551.77 : 184,322.12 = 76,191.21 : x
  2. Step 2: Convert to fraction form
    133,551.77/184,322.12 = 76,191.21/x
  3. Step 3: Cross multiply
    133,551.77x = 184,322.12 × 76,191.21
  4. Step 4: Simplify right side
    133,551.77x = 14,043,724,971.61
  5. Step 5: Solve for x
    x = 14,043,724,971.61/133,551.77
  6. Step 6: Final answer
    x = 105,155.67

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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.