Home / 190,680.40-286,325.96-157,327.84

Finding the Fourth Proportional to 190,680.40, 286,325.96 and 157,327.84

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Solution

The fourth proportional to 190,680.40, 286,325.96 and 157,327.84 is: 236,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680.40 : 286,325.96 = 157,327.84 : x
  2. Step 2: Convert to fraction form
    190,680.40/286,325.96 = 157,327.84/x
  3. Step 3: Cross multiply
    190,680.40x = 286,325.96 × 157,327.84
  4. Step 4: Simplify right side
    190,680.40x = 45,047,044,822.73
  5. Step 5: Solve for x
    x = 45,047,044,822.73/190,680.40
  6. Step 6: Final answer
    x = 236,243.71

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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.