Home / 161,081.52-241,705.19-66,381.67

Finding the Fourth Proportional to 161,081.52, 241,705.19 and 66,381.67

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Solution

The fourth proportional to 161,081.52, 241,705.19 and 66,381.67 is: 99,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,081.52 : 241,705.19 = 66,381.67 : x
  2. Step 2: Convert to fraction form
    161,081.52/241,705.19 = 66,381.67/x
  3. Step 3: Cross multiply
    161,081.52x = 241,705.19 × 66,381.67
  4. Step 4: Simplify right side
    161,081.52x = 16,044,793,827.96
  5. Step 5: Solve for x
    x = 16,044,793,827.96/161,081.52
  6. Step 6: Final answer
    x = 99,606.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.