Home / 159,116.36-219,586.21-87,501.83

Finding the Fourth Proportional to 159,116.36, 219,586.21 and 87,501.83

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Solution

The fourth proportional to 159,116.36, 219,586.21 and 87,501.83 is: 120,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,116.36 : 219,586.21 = 87,501.83 : x
  2. Step 2: Convert to fraction form
    159,116.36/219,586.21 = 87,501.83/x
  3. Step 3: Cross multiply
    159,116.36x = 219,586.21 × 87,501.83
  4. Step 4: Simplify right side
    159,116.36x = 19,214,193,901.08
  5. Step 5: Solve for x
    x = 19,214,193,901.08/159,116.36
  6. Step 6: Final answer
    x = 120,755.62

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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.