Home / 151,814.92-209,455.86-84,733.96

Finding the Fourth Proportional to 151,814.92, 209,455.86 and 84,733.96

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Solution

The fourth proportional to 151,814.92, 209,455.86 and 84,733.96 is: 116,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,814.92 : 209,455.86 = 84,733.96 : x
  2. Step 2: Convert to fraction form
    151,814.92/209,455.86 = 84,733.96/x
  3. Step 3: Cross multiply
    151,814.92x = 209,455.86 × 84,733.96
  4. Step 4: Simplify right side
    151,814.92x = 17,748,024,463.01
  5. Step 5: Solve for x
    x = 17,748,024,463.01/151,814.92
  6. Step 6: Final answer
    x = 116,905.67

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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.