Home / 116,829.18-161,224.08-66,528.18

Finding the Fourth Proportional to 116,829.18, 161,224.08 and 66,528.18

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Solution

The fourth proportional to 116,829.18, 161,224.08 and 66,528.18 is: 91,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,829.18 : 161,224.08 = 66,528.18 : x
  2. Step 2: Convert to fraction form
    116,829.18/161,224.08 = 66,528.18/x
  3. Step 3: Cross multiply
    116,829.18x = 161,224.08 × 66,528.18
  4. Step 4: Simplify right side
    116,829.18x = 10,725,944,614.57
  5. Step 5: Solve for x
    x = 10,725,944,614.57/116,829.18
  6. Step 6: Final answer
    x = 91,808.78

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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.