Home / 192,973.38-289,457.46-86,329.14

Finding the Fourth Proportional to 192,973.38, 289,457.46 and 86,329.14

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Solution

The fourth proportional to 192,973.38, 289,457.46 and 86,329.14 is: 129,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,973.38 : 289,457.46 = 86,329.14 : x
  2. Step 2: Convert to fraction form
    192,973.38/289,457.46 = 86,329.14/x
  3. Step 3: Cross multiply
    192,973.38x = 289,457.46 × 86,329.14
  4. Step 4: Simplify right side
    192,973.38x = 24,988,613,588.38
  5. Step 5: Solve for x
    x = 24,988,613,588.38/192,973.38
  6. Step 6: Final answer
    x = 129,492.54

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1.5x scale

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.