Home / 116,898.96-161,324.28-66,601.20

Finding the Fourth Proportional to 116,898.96, 161,324.28 and 66,601.20

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Solution

The fourth proportional to 116,898.96, 161,324.28 and 66,601.20 is: 91,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,898.96 : 161,324.28 = 66,601.20 : x
  2. Step 2: Convert to fraction form
    116,898.96/161,324.28 = 66,601.20/x
  3. Step 3: Cross multiply
    116,898.96x = 161,324.28 × 66,601.20
  4. Step 4: Simplify right side
    116,898.96x = 10,744,390,637.14
  5. Step 5: Solve for x
    x = 10,744,390,637.14/116,898.96
  6. Step 6: Final answer
    x = 91,911.77

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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.