Home / 190,426.92-285,680.34-57,316.92

Finding the Fourth Proportional to 190,426.92, 285,680.34 and 57,316.92

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Solution

The fourth proportional to 190,426.92, 285,680.34 and 57,316.92 is: 85,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,426.92 : 285,680.34 = 57,316.92 : x
  2. Step 2: Convert to fraction form
    190,426.92/285,680.34 = 57,316.92/x
  3. Step 3: Cross multiply
    190,426.92x = 285,680.34 × 57,316.92
  4. Step 4: Simplify right side
    190,426.92x = 16,374,317,193.35
  5. Step 5: Solve for x
    x = 16,374,317,193.35/190,426.92
  6. Step 6: Final answer
    x = 85,987.41

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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.