Home / 190,786.60-286,182.54-57,667.96

Finding the Fourth Proportional to 190,786.60, 286,182.54 and 57,667.96

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Solution

The fourth proportional to 190,786.60, 286,182.54 and 57,667.96 is: 86,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,786.60 : 286,182.54 = 57,667.96 : x
  2. Step 2: Convert to fraction form
    190,786.60/286,182.54 = 57,667.96/x
  3. Step 3: Cross multiply
    190,786.60x = 286,182.54 × 57,667.96
  4. Step 4: Simplify right side
    190,786.60x = 16,503,563,269.42
  5. Step 5: Solve for x
    x = 16,503,563,269.42/190,786.60
  6. Step 6: Final answer
    x = 86,502.74

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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.