Home / 190,871.34-286,306.92-57,748.56

Finding the Fourth Proportional to 190,871.34, 286,306.92 and 57,748.56

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Solution

The fourth proportional to 190,871.34, 286,306.92 and 57,748.56 is: 86,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,871.34 : 286,306.92 = 57,748.56 : x
  2. Step 2: Convert to fraction form
    190,871.34/286,306.92 = 57,748.56/x
  3. Step 3: Cross multiply
    190,871.34x = 286,306.92 × 57,748.56
  4. Step 4: Simplify right side
    190,871.34x = 16,533,812,348.04
  5. Step 5: Solve for x
    x = 16,533,812,348.04/190,871.34
  6. Step 6: Final answer
    x = 86,622.81

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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.